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What is the weather in Koh Yao Yai in Thailand?
Koh Yao Yai is a beautiful island located in the Andaman Sea of Thailand, known for its pristine beaches and natural beauty. The island has a tropical climate with two main seasons: the dry season and the rainy season. Visitors can enjoy the island’s natural beauty year-round, but the best time to visit depends on their preference for weather and activities. Koh Yao Yai and Koh Yao Noi are two sister islands located in the Phang Nga Bay, off the coast of southern Thailand. They are relatively unspoiled and offer visitors a chance to experience a more authentic and peaceful side of Thailand. Koh Yao Yai is the larger of the two islands, with an area of about 50 square kilometers.
☀️ The dry season in Koh Yao Yai typically runs from November to April, with the peak tourist season occurring between December and February. During this time, the weather is generally sunny and hot, with temperatures ranging from 25°C to 33°C. The humidity is relatively low, making it a great time to visit the island for outdoor activities such as beach hopping, snorkeling, and hiking.
⛈️ The rainy season Koh Yao Yai runs from May to October, with the heaviest rainfall occurring between May and September. During this time, the weather is generally more humid and cloudy, with occasional thunderstorms and heavy rainfall. Temperatures during the rainy season can range from 24°C to 31°C. It’s important to note that some businesses and tourist activities may be limited during this time due to the weather conditions.
Overall, Koh Yao Yai is a great destination to visit year-round, but the best time to go depends on your preference for weather and activities. If you’re looking for sunny skies and outdoor adventures, the dry season is the perfect time to visit. However, if you prefer a more laid-back and relaxing vacation with fewer crowds, the rainy season might be ideal.
What is the best time to visit Koh Yao Yai?
The best time to visit Koh Yao Yai depends on your preference for weather and activities. The peak tourist season on the island occurs during the dry season, which runs from November to April. During this time, the weather is generally sunny and hot, with low humidity, making it a great time to visit for outdoor activities such as beach hopping, snorkeling, and hiking. The dry season is considered the best time to visit Koh Yao Yai as the weather is generally sunny and hot, with low humidity. Especially from December to February, so the island can be crowded and prices for accommodations and activities may be higher. However, this is also the best time to enjoy outdoor activities such as snorkeling and hiking.
However, if you prefer a more laid-back and relaxing vacation with fewer crowds, the rainy season, which runs from May to October, might be ideal. During this time, Koh Yao Yai in Thailand is less crowded, and prices for accommodations and activities may be lower. Just keep in mind that there may be occasional thunderstorms and heavy rainfall, and some businesses and tourist activities may be limited due to the weather conditions.
What is the current weather in Koh Yao Yai? ➜ Current weather in Koh Yao Yai.
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Weather in Koh Yao Yai throughout the year:
| Month | Weather Description |
|---|---|
| January | January is one of the best months to visit Koh Yao Yai in Thailand as it falls within the dry season. The weather is generally sunny and hot, with low humidity and comfortable temperatures ranging from 25°C to 31°C. The sea is calm and perfect for water activities such as swimming, snorkeling, and kayaking. The skies are usually clear, making it a great time to enjoy outdoor activities such as hiking and cycling. However, as January falls within the peak tourist season, the island can be crowded, and prices for accommodations and activities may be higher than during other times of the year. |
| February | February is another great month to visit Koh Yao Yai, as it falls within the dry season. The weather is sunny and hot, with low humidity and temperatures ranging from 25°C to 33°C. The sea is calm, making it ideal for water activities such as snorkeling, diving, and kayaking. However, like January, February is also a peak tourist season, and prices for accommodations and activities may be higher. |
| March | March is still within the dry season in Koh Yao Yai and is an excellent month to visit the island. The weather is generally sunny and hot, with low humidity and temperatures ranging from 25°C to 33°C. The sea is calm, making it perfect for water activities such as swimming, snorkeling, and kayaking. The skies are usually clear, making it an excellent time to enjoy outdoor activities such as hiking, cycling, and exploring the island’s natural beauty. |
| April | April marks the end of the dry season in Koh Yao Yai. The weather is still sunny and hot, but temperatures may start to rise, with highs of up to 35°C. The sea is still calm, but occasional showers may start to occur towards the end of the month. While April is still a good month to visit Koh Yao Yai, visitors should be prepared for the start of the transition to the rainy season. The occasional showers may turn into more frequent rain towards the end of the month, signaling the start of the island’s wetter months. |
| May | May marks the beginning of the rainy season in Koh Yao Yai. The weather is generally hot and humid, with temperatures ranging from 24°C to 31°C. Occasional thunderstorms and heavy rainfall may occur, but the island is still relatively quiet, and prices for accommodations and activities may be lower. However, visitors should be prepared for some businesses and tourist activities to be limited due to the weather conditions. Despite the start of the rainy season, May is still a great time to visit Koh Yao Yai for those looking for a more laid-back and relaxed vacation. |
| June | June is considered to be the early part of the rainy season in Koh Yao Yai. The weather is hot and humid, with temperatures ranging from 24°C to 30°C. There is an increase in rainfall, with occasional thunderstorms and heavy downpours, but there are still plenty of sunny periods throughout the day. Visitors should be prepared for some businesses and tourist activities to be limited during this time. Despite the occasional rain, June can be an excellent time to visit Koh Yao Yai for those looking for a quieter vacation. |
| July | July is still within the rainy season in Koh Yao Yai, with hot and humid weather and occasional thunderstorms. Temperatures range from 24°C to 30°C, and there can be periods of heavy rainfall, especially towards the end of the month. Visitors should be prepared for some businesses and tourist activities to be closed or limited during this time. The island is lush and green, with plenty of natural beauty to explore. Visitors can take part in activities such as spa treatments, cooking classes, and exploring the island’s local culture and cuisine. |
| August | August is still within the rainy season in Koh Yao Yai, with hot and humid weather and occasional thunderstorms. Temperatures range from 24°C to 30°C, and there can be periods of heavy rainfall throughout the month. Visitors should be prepared for some businesses and tourist activities to be closed or limited during this time. The island is lush and green, and there are still plenty of activities to enjoy, such as spa treatments, cooking classes, and exploring the island’s local culture and cuisine. |
| September | September is the end of the rainy season in Koh Yao Yai, with temperatures ranging from 24°C to 30°C. The weather is still hot and humid, but there is a decrease in rainfall towards the end of the month. Visitors should be prepared for some businesses and tourist activities to be closed or limited during this time. The island is lush and green, and there are still plenty of activities to enjoy, such as spa treatments, cooking classes, and exploring the island’s local culture and cuisine. The sea may still be a bit rough during this time, but visitors can still enjoy activities such as kayaking and diving. |
| October | October marks the transition from the rainy season to the cool season in Koh Yao Yai. The weather is still warm and humid, with temperatures ranging from 23°C to 29°C. There can still be occasional rainfall, but the frequency and intensity of the storms decrease as the month progresses. Visitors can still enjoy the lush greenery and natural beauty of the island during this time. The sea may still be a bit rough during this time, but visitors can still enjoy activities such as kayaking and diving. There are plenty of spa treatments, cooking classes, and opportunities to explore the island’s local culture and cuisine. |
| November | November is the start of the cool season in Koh Yao Yai. The weather is mild and comfortable, with temperatures ranging from 22°C to 28°C. The sea is calm and clear, making it an ideal time for water-based activities such as swimming, snorkeling, and diving. Visitors can still enjoy the lush greenery and natural beauty of the island, which is at its best during this time. November can be an excellent time to visit Koh Yao Yai for those looking for a more relaxed and peaceful vacation. The island is less crowded during this time, and visitors can take part in activities such as spa treatments, cooking classes, and exploring the island’s local culture and cuisine. |
| December | December is the peak tourist season in Koh Yao Yai, with mild and comfortable weather and temperatures ranging from 22°C to 28°C. The sea is calm and clear, making it an ideal time for water-based activities such as swimming, snorkeling, and diving. Visitors can enjoy the lush greenery and natural beauty of the island, which is at its best during this time. December is an excellent time to visit Koh Yao Yai for those looking for a more lively and active vacation. There are plenty of activities and events to enjoy, such as local festivals and cultural performances. |
The Current weather in Koh Yao Yai – Thailand:
Max, Min and Average Temperature in Koh Yao Yai:
Koh Yao Yai has a tropical climate, with temperatures remaining fairly consistent throughout the year. The average temperature ranges from 26°C to 29°C. The hottest months are April and May, with average highs reaching up to 33°C. The coolest month is December, with average lows of 22°C. The rainy season lasts from May to October, with the most rainfall occurring in September. Overall, the weather in Koh Yao Yai is warm and humid, making it an ideal destination for those seeking a tropical vacation.
| Month | Average High (°C) | Average Low (°C) |
|---|---|---|
| January | 31 | 23 |
| February | 32 | 24 |
| March | 33 | 24 |
| April | 33 | 25 |
| May | 32 | 25 |
| June | 31 | 25 |
| July | 31 | 25 |
| August | 31 | 25 |
| September | 31 | 24 |
| October | 31 | 24 |
| November | 30 | 23 |
| December | 29 | 22 |
Rainfall and Rainy Days in Koh Yao Yai:
Koh Yao Yai experiences a monsoon tropical climate, with a distinct rainy season from May to October. During this time, the island receives the majority of its rainfall, with the wettest month being September. The rainfall is typically heavy, but intermittent, with sunny periods in between. On average, Koh Yao Yai receives around 2,400 mm of rainfall annually, with the highest amounts occurring in the hills and mountains. The island experiences an average of 160 rainy days per year, with the most precipitation occurring from May to October.
| Month | Aver. Monthly Rainfall (mm) | Rainy Days |
|---|---|---|
| January | 34 | 4 |
| February | 18 | 3 |
| March | 68 | 7 |
| April | 131 | 13 |
| May | 258 | 20 |
| June | 217 | 18 |
| July | 218 | 18 |
| August | 239 | 19 |
| September | 314 | 24 |
| October | 309 | 24 |
| November | 142 | 12 |
| December | 50 | 6 |
Max and Average Wind Speed and Wind Gust in Koh Yao Yai:
Koh Yao Yai is located in an area that is generally affected by monsoon winds, which can result in varying wind speeds throughout the year. The island’s average wind speed is around 5-7 knots (9-13 km/h), with gusts that can reach up to 25 knots (46 km/h) during the northeast monsoon season, which typically occurs from November to April. The strongest winds in Koh Yao Yai are typically experienced during the months of December and January, with an average wind speed of around 7-8 knots (13-15 km/h) and gusts that can reach up to 20 knots (37 km/h). During the southwest monsoon season from May to October, the wind speeds are generally lower, with an average of around 5 knots (9 km/h) and gusts that can reach up to 15 knots (28 km/h).
| Month | Max Wind Speed (km/h) | Aver. Wind Speed (km/h) | Max Wind Gust (km/h) |
|---|---|---|---|
| January | 20.37 | 11.12 | 46.30 |
| February | 20.37 | 11.12 | 42.60 |
| March | 22.23 | 11.12 | 44.45 |
| April | 22.23 | 11.12 | 46.30 |
| May | 18.52 | 9.26 | 40.74 |
| June | 14.81 | 7.41 | 33.33 |
| July | 14.81 | 7.41 | 33.33 |
| August | 16.67 | 9.26 | 38.89 |
| September | 18.52 | 9.26 | 40.74 |
| October | 18.52 | 9.26 | 40.74 |
| November | 18.52 | 9.26 | 40.74 |
| December | 20.37 | 11.12 | 42.60 |
Cloud and Humidity in Koh Yao Yai:
Koh Yao Yai has a tropical climate, which means it generally experiences high levels of humidity throughout the year. The average humidity level in Koh Yao Yai hovers around 80%, with levels typically higher during the rainy season. Cloud cover in Koh Yao Yai is also quite prevalent, particularly during the rainy season. Expect cloudy days during this period, which can help to moderate temperatures and make outdoor activities more comfortable. During the dry season, cloud cover is less frequent, and sunny days predominate. Overall, the climate in Koh Yao Yai is characterized by high humidity and frequent cloud cover, which are typical of a tropical climate.
Note: Cloud cover is categorized as „Low“ (less than 30%), „Moderate“ (30-70%), or „High“ (more than 70%).
| Month | Average Humidity (%) | Cloud Cover |
|---|---|---|
| January | 79 | Moderate |
| February | 79 | Moderate |
| March | 80 | High |
| April | 81 | High |
| May | 82 | High |
| June | 83 | High |
| July | 83 | High |
| August | 83 | High |
| September | 83 | High |
| October | 82 | High |
| November | 81 | High |
| December | 80 | Moderate |
Sun Hours and Sun Days in Koh Yao Yai:
Koh Yao Yai experiences plenty of sunshine throughout the year, with average daily sun hours ranging from 7 to 9 hours. The sunniest months are typically from December to March, with daily sun hours averaging around 9 hours. From April to November, the average daily sun hours range from 7 to 8 hours. In terms of the number of sunny days per month, Koh Yao Yai averages around 20 to 25 sunny days per month throughout the year. The sunniest months are typically from December to February, with around 25 sunny days per month. From April to November, the number of sunny days ranges from 20 to 23 days per month.
| Month | Aver. Sun Hours per Day | Aver. Sunny Days per Month |
|---|---|---|
| January | 8 | 24 |
| February | 9 | 25 |
| March | 9 | 24 |
| April | 8 | 22 |
| May | 8 | 21 |
| June | 8 | 20 |
| July | 8 | 20 |
| August | 8 | 20 |
| September | 8 | 20 |
| October | 8 | 21 |
| November | 8 | 22 |
| December | 9 | 24 |
What is the sea temperature in Koh Yao Yai:
The warm sea temperature in Koh Yao Yai is perfect for swimming, snorkeling, and other water activities. During the dry season from November to April, the sea is usually calm and crystal clear, providing ideal conditions for underwater exploration. From May to October, the sea can become slightly rougher due to the monsoon season, but it’s still generally safe for swimming and other water sports. The sea temperature in Koh Yao Yai is influenced by a number of factors, including the air temperature, wind speed, and ocean currents. Visitors can expect the sea temperature to be at its warmest in March to May, during the hottest months of the year. In contrast, the sea temperature can be slightly cooler in the cooler months of November to February, but still warm enough for swimming.
| Month | Aver. Sea Temp. (°C) | Aver. Sea Temp. (°F) |
|---|---|---|
| January | 28 | 82 |
| February | 29 | 84 |
| March | 29 | 84 |
| April | 30 | 86 |
| May | 30 | 86 |
| June | 30 | 86 |
| July | 30 | 86 |
| August | 29 | 84 |
| September | 29 | 84 |
| October | 29 | 84 |
| November | 29 | 84 |
| December | 28 | 82 |
Visibility in Koh Yao Yai:
The visibility in Koh Yao Yai is generally good throughout the year, although it can be affected by haze and fog during the rainy season. On clear days, the visibility can be up to 10-20 kilometers or more, allowing for stunning views of the surrounding islands and ocean. During the rainy season, from May to October, visibility can be reduced due to the increased humidity and cloud cover. However, this can also lead to beautiful misty landscapes and dramatic sunrises and sunsets. Overall, visibility in Koh Yao Yai is not a major concern for travelers, and most days offer clear and pleasant conditions for exploring the island and surrounding areas.
❓ Frequently Asked Questions – Weather in Koh Yao Yai:
1. What is the climate of Koh Yao Yai?
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- Koh Yao Yai has a tropical climate characterized by hot and humid weather year-round, with two distinct seasons – a dry season from November to April and a rainy season from May to October.
2. What is the average temperature in Koh Yao Yai?
-
- The average temperature in Koh Yao Yai is around 28-32°C (82-90°F) throughout the year. However, during the dry season, temperatures can reach up to 35°C (95°F) while in the rainy season, temperatures tend to be slightly cooler.
3. Is Koh Yao Yai affected by monsoons?
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- Yes, Koh Yao Yai is affected by monsoons. The southwest monsoon from May to October brings rainy weather and rough seas, while the northeast monsoon from November to April brings drier and cooler weather.
4. What is the rainfall like in Koh Yao Yai?
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- Koh Yao Yai receives most of its rainfall during the rainy season, with the months of September and October being the wettest. The average annual rainfall is around 2500-3000mm (98-118 inches).
5. What is the sea temperature in Koh Yao Yai?
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- The sea temperature in Koh Yao Yai ranges from 27-30°C (81-86°F) throughout the year, with the warmest temperatures occurring from March to May.
6. What is the best time to visit Koh Yao Yai?
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- The best time to visit Koh Yao Yai is during the dry season from November to April when the weather is sunny, and the seas are calm. However, visitors should note that this is also peak tourist season, and prices may be higher.
7. Does Koh Yao Yai experience typhoons or hurricanes?
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- While Koh Yao Yai is located in the Andaman Sea, which is occasionally affected by tropical storms and cyclones, the island itself is rarely hit by typhoons or hurricanes.
8. What is the humidity like in Koh Yao Yai?
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- Koh Yao Yai experiences high levels of humidity year-round, with the highest humidity occurring during the rainy season. The average humidity is around 70-80%.
9. Is it safe to travel to Koh Yao Yai during the rainy season?
-
- While traveling to Koh Yao Yai during the rainy season is possible, visitors should be aware of the increased chance of heavy rainfall, rough seas, and potential flooding. It is important to check weather forecasts and follow local advice regarding safety precautions.
10. What is the wind like in Koh Yao Yai?
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- Koh Yao Yai experiences moderate to strong winds year-round, with the strongest winds occurring during the northeast monsoon season from November to April. Wind gusts can reach up to 30-40 knots (35-46 mph)./li>
11. Is there a high risk of sunburn in Koh Yao Yai?
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- The risk of sunburn in Koh Yao Yai can be high due to the tropical climate and the strong intensity of the sun. It is recommended to use sunscreen with a high SPF and to wear protective clothing such as hats and sunglasses. It is also advised to avoid direct exposure to the sun during peak hours between 11 am and 3 pm.
12. What is the average visibility like in Koh Yao Yai?
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- The average visibility in Koh Yao Yai is good, with clear skies offering up to 10-20 kilometers of visibility or more. However, visibility can be affected by haze and fog during the rainy season.
13. What should I pack for a trip to Koh Yao Yai?
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- When packing for a trip to Koh Yao Yai, it is recommended to pack lightweight and comfortable clothing made of breathable fabrics such as cotton or linen. As the weather is generally warm and humid, it is advised to pack shorts, t-shirts, and sandals. It is also recommended to pack a light rain jacket or poncho as there is a possibility of rain during the rainy season.
14. Where you can also travel in Phang Nga Bay?
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- From Phuket you can go and visit another islands, e.g. you can travel from Krabi to Koh Phi Phi or you can also travel by boat or minivan from Krabi to Koh Lanta or Koh Lipe.
15. How to travel solo in Thailand?
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- Embark on a solo adventure in Thailand by researching destinations, ensuring personal safety, trying local experiences, connecting with fellow travelers, and savoring the diverse landscapes and attractions the country has to offer. Traveling on your own in Thailand is very popular by travelers. Read this article: Solo Travel in Thailand.
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