☀️ Weather + Seasons
👍 When to go there
🔎 Weather in Months
❓ Questions + Answers
🎫 Excursion + Tickets
🎫 Book Tickets Online
What is the weather in Koh Lanta in Thailand?
Koh Lanta is a tropical island located in the southern region of Thailand. Koh Lanta is a beautiful tropical island that offers visitors a unique and memorable experience, regardless of the season. Whether you prefer the sunny weather of the dry season or the lush greenery and tranquility of the rainy season, Koh Lanta has something to offer for everyone. The island experiences two distinct seasons – the dry season and the rainy season.
☀️ The dry season in Koh Lanta typically runs from November to April. During this time, the weather is mostly sunny, with occasional showers. Temperatures usually range between 25°C to 32°C, making it a perfect time to enjoy the beach and water activities. The sea is also generally calm, making it ideal for diving and snorkeling. The dry season is the peak tourist season, with many visitors flocking to Koh Lanta to escape the colder weather in their home countries.
⛈️ The rainy season Koh Lanta generally starts in May and lasts until October. During this time, the island experiences heavy rainfall, and the humidity levels are high. The temperature remains relatively constant during this period, ranging between 24°C to 30°C. While the rainy season can bring about flooding and occasional thunderstorms, it can also offer a unique and beautiful experience to visitors, with lush greenery, fewer crowds, and lower prices.
It is important to note that Koh Lanta is located in a region that is prone to occasional tropical storms and typhoons during the rainy season, which can cause significant disruptions to travel plans. It is therefore advisable to keep up-to-date with weather forecasts and plan accordingly.
What is the best time to visit Koh Lanta?
If you enjoy sunny and dry weather, the best time to visit Koh Lanta is during the dry season, which runs from November to April. During this period, you can expect warm and pleasant weather with little to no rainfall, making it ideal for outdoor activities like swimming, snorkeling, and sunbathing. This period is also the peak tourist season, so expect higher prices and more crowds. The sea is generally calm, making it ideal for diving and snorkeling.
On the other hand, if you prefer fewer crowds and lower prices, the rainy season, which runs from May to October, might be a good time to visit Koh Lanta in Thailand. The island experiences occasional heavy rainfall during this period, but the lush greenery and natural beauty of the island make up for it. You can expect fewer tourists during this season, and the prices for accommodation and activities are generally lower.
It is important to note that Koh Lanta is located in an area prone to tropical storms and typhoons during the rainy season, so you should keep up-to-date with weather forecasts and plan accordingly.
What is the current weather in Koh Lanta? ➜ Current weather in Koh Lanta.
BOOK a TOUR / ACTIVITY in Thailand ➜
Weather in Koh Lanta throughout the year:
| Month | Weather Description |
|---|---|
| January in Koh Lanta | January is one of the best months to visit Koh Lanta as it falls within the dry season. During this month, the weather is generally sunny, warm, and pleasant with very little rainfall. Temperatures usually range between 25°C to 32°C, making it a perfect time to enjoy the beaches and water activities. The sea is generally calm during this period, making it ideal for swimming, snorkeling, and diving. Overall, January is a great month to visit Koh Lanta if you’re looking for a warm and sunny vacation. |
| February in Koh Lanta | February is still considered part of the dry season in Koh Lanta, and the weather is generally sunny, warm, and pleasant. Temperatures usually range from 25°C to 32°C, making it ideal for outdoor activities like swimming, snorkeling, and sunbathing. The sea is usually calm during this period, making it great for water activities. |
| March in Koh Lanta | The weather in March is still dry, and temperatures remain warm, ranging from 25°C to 33°C. The sea is also usually calm, making it perfect for diving, snorkeling, and other water activities. March is also the month when the Lanta Old Town Festival takes place, celebrating the island’s cultural heritage with music, dance performances, and traditional food. |
| April in Koh Lanta | April is the last month of the dry season in Koh Lanta, and the weather is still sunny and warm with little to no rainfall. Temperatures can get as high as 34°C, so it’s important to stay hydrated and protected from the sun. The sea is generally calm during this period, making it a great time for water activities like swimming, diving, and snorkeling. |
| May in Koh Lanta | May marks the start of the rainy season in Koh Lanta, and the weather becomes more humid with occasional heavy rainfall. Temperatures usually range from 24°C to 32°C, making it still warm but with higher levels of humidity. The sea can also be rough during this time, so water activities may be limited. However, May is also the time when you can witness the beautiful greenery of the island due to the rain. |
| June in Koh Lanta | June marks the beginning of the monsoon season in Koh Lanta. The weather becomes more humid, and rainfall increases with occasional thunderstorms. Temperatures usually range from 24°C to 32°C, with high levels of humidity. The sea can also be rough during this period, making water activities limited. However, June is a great time to experience the lush greenery and fewer crowds on the island. |
| July in Koh Lanta | The weather in July is similar to June, with high levels of humidity and heavy rainfall. Temperatures usually range from 24°C to 31°C, making it still warm but with more frequent rain showers. The sea can also be rough, making water activities limited. However, July is a great time to experience the island’s lush greenery and waterfalls. |
| August in Koh Lanta | August is still considered part of the monsoon season, with high levels of humidity and heavy rainfall. Temperatures usually range from 24°C to 31°C, making it still warm but with more frequent rain showers. The sea can also be rough, making water activities limited. However, August is a great time to experience the island’s waterfalls and lush greenery. |
| September in Koh Lanta | September is the wettest month in Koh Lanta in Thailand, with high levels of humidity and heavy rainfall. Temperatures usually range from 24°C to 31°C, making it still warm but with more frequent rain showers. The sea can be rough, making water activities limited. However, September is a great time to experience the island’s lush greenery and waterfalls. |
| October in Koh Lanta | October is still part of the monsoon season in Koh Lanta, and rainfall is still frequent. However, the amount of rainfall decreases as the month progresses, and the weather becomes slightly more pleasant towards the end of the month. Temperatures usually range from 23°C to 31°C, with high levels of humidity. The sea can be rough, making water activities limited. However, October is a great time to experience the island’s lush greenery and waterfalls, which are at their best during this period. |
| November in Koh Lanta | November marks the end of the monsoon season in Koh Lanta, with rainfall becoming less frequent. Temperatures usually range from 23°C to 31°C, making it still warm but with less humidity. The sea can still be a bit rough at the beginning of the month, but it becomes calmer towards the end, making it great for water activities like swimming and snorkeling. November is a good time to visit if you’re looking for pleasant weather with fewer crowds. The island is also lush and green, and the waterfalls are still flowing. |
| December in Koh Lanta | December marks the start of the dry season in Koh Lanta, with little to no rainfall. Temperatures usually range from 23°C to 31°C, making it ideal for outdoor activities like swimming, sunbathing, and snorkeling. The sea is usually calm during this period, making it great for water activities. The skies are clear and sunny, making it a great time for outdoor exploration, island hopping, and beach relaxation. December is also the peak season in Koh Lanta, so it’s best to book accommodation and activities in advance. |
The Current weather in Koh Lanta:
Max, Min and Average Temperature in Koh Lanta:
Koh Lanta has a tropical climate with two distinct seasons – the dry season and the wet season. The dry season starts from November and lasts until April, while the wet season starts from May and lasts until October. The average maximum temperature in Koh Lanta during the dry season ranges from 32°C (89°F) in January to 35°C (95°F) in April. The average minimum temperature ranges from 23°C (73°F) in December to 26°C (79°F) in April. The overall average temperature during the dry season ranges from 28°C (82°F) to 31°C (88°F). The dry season is characterized by warm and sunny weather, making it a great time to visit the island for outdoor activities such as swimming, sunbathing, and snorkeling. During the wet season, the average maximum temperature ranges from 31°C (88°F) in May to 32°C (89°F) in October.
| Month | Aver. Max Temp (°C) | Aver. Min Temp (°C) | Aver. Temp (°C) |
|---|---|---|---|
| January | 32 | 24 | 28 |
| February | 33 | 24 | 28 |
| March | 33 | 25 | 29 |
| April | 34 | 25 | 29 |
| May | 33 | 24 | 28 |
| June | 32 | 24 | 28 |
| July | 32 | 24 | 28 |
| August | 32 | 24 | 28 |
| September | 31 | 24 | 28 |
| October | 31 | 24 | 28 |
| November | 31 | 23 | 27 |
| December | 31 | 23 | 27 |
Rainfall and Rainy Days in Koh Lanta:
The rainy season in Koh Lanta typically lasts from May to October, with the heaviest rainfall occurring between June and September. During this time, you can expect frequent rainfall, often in the form of short but heavy downpours. On the other hand, the dry season runs from November to April, with little to no rainfall. The dry season is generally considered the best time to visit Koh Lanta, as the weather is consistently warm and sunny. However, it’s worth noting that even during the dry season, you may experience some brief showers or storms. In terms of specific numbers, Koh Lanta receives an average of 2,500 mm of rainfall per year, with the majority of this falling during the rainy season.
| Month | Aver. Monthly Rainfall (mm) | Aver. Rainy Days |
|---|---|---|
| January | 50 | 5 |
| February | 40 | 4 |
| March | 60 | 6 |
| April | 120 | 9 |
| May | 190 | 16 |
| June | 150 | 17 |
| July | 190 | 19 |
| August | 190 | 19 |
| September | 220 | 19 |
| October | 230 | 18 |
| November | 130 | 12 |
| December | 70 | 6 |
Max and Average Wind Speed and Wind Gust in Koh Lanta:
Koh Lanta experiences a moderate to strong breeze throughout the year due to its coastal location. The average wind speed in Koh Lanta ranges from 7 to 16 km/h, with the highest wind speeds occurring between November and March. During this time, you can expect average wind speeds of around 14-16 km/h. The lowest wind speeds occur between May and October, with an average of 7-8 km/h. In addition to average wind speeds, Koh Lanta also experiences occasional wind gusts, particularly during the dry season.
| Month | Aver. Wind Speed (km/h) | Max Wind Gust (km/h) |
|---|---|---|
| January | 14 | 24 |
| February | 16 | 24 |
| March | 14 | 22 |
| April | 10 | 18 |
| May | 8 | 16 |
| June | 7 | 14 |
| July | 7 | 14 |
| August | 8 | 16 |
| September | 8 | 16 |
| October | 8 | 16 |
| November | 12 | 22 |
| December | 14 | 24 |
Cloud and Humidity in Koh Lanta:
Koh Lanta has a tropical climate, which means that it is generally warm and humid throughout the year. The island also experiences varying levels of cloud cover, which can affect the temperature and overall weather conditions. In terms of cloud cover, Koh Lanta experiences the most clear skies from December to April, with relatively low levels of cloud cover. From May to November, however, the island experiences more cloud cover and occasional periods of overcast skies. Humidity is also a significant factor in Koh Lanta’s climate. The average relative humidity ranges from 70 to 85 percent throughout the year, with the highest levels occurring from May to October. During this time, the air can feel thick and muggy, making outdoor activities more challenging.
| Month | Cloud Cover (%) | Humidity (%) |
|---|---|---|
| January | Partly Cloudy | 77 |
| February | Partly Cloudy | 75 |
| March | Partly Cloudy | 72 |
| April | Partly Cloudy | 70 |
| May | Mostly Cloudy | 78 |
| June | Mostly Cloudy | 82 |
| July | Mostly Cloudy | 84 |
| August | Mostly Cloudy | 84 |
| September | Mostly Cloudy | 83 |
| October | Mostly Cloudy | 79 |
| November | Partly Cloudy | 74 |
| December | Partly Cloudy | 74 |
Sun Hours and Sun Days in Koh Lanta:
The island has a distinct dry season from December to April, during which time it experiences the most sun hours and sun days. From May to November, the island experiences occasional periods of rain and cloudy weather, which can reduce the number of sun hours and sun days. On average, Koh Lanta receives around 7 hours of sunshine per day, with the highest levels occurring from January to April. During this time, visitors can expect to enjoy clear blue skies and plenty of opportunities for outdoor activities such as beachgoing and watersports. In terms of sun days, Koh Lanta experiences an average of 28 to 30 days of sunshine per month from December to April.
| Month | Aver. Sun Hours per Day | Aver. Sunny Days per Month |
|---|---|---|
| January | 9 | 30 |
| February | 9 | 28 |
| March | 9 | 30 |
| April | 8 | 29 |
| May | 6 | 22 |
| June | 6 | 19 |
| July | 6 | 19 |
| August | 6 | 19 |
| September | 6 | 19 |
| October | 7 | 24 |
| November | 7 | 25 |
| December | 8 | 30 |
What is the sea temperature in Koh Lanta:
The sea temperature in Koh Lanta varies depending on the season. During the months of November to April, the sea temperature is usually around 28-30°C (82-86°F), which is very warm and comfortable for swimming and other water activities. From May to October, the sea temperature drops slightly to around 26-28°C (79-82°F), which is still quite pleasant for swimming, but some people may find it a bit cooler. Overall, the sea temperature in Koh Lanta is warm enough for swimming and other water activities throughout the year.
| Month | Sea Temperature (°C) | Sea Temperature (°F) |
|---|---|---|
| January | 27 | 80.6 |
| February | 27 | 80.6 |
| March | 28 | 82.4 |
| April | 29 | 84.2 |
| May | 29 | 84.2 |
| June | 29 | 84.2 |
| July | 28 | 82.4 |
| August | 28 | 82.4 |
| September | 28 | 82.4 |
| October | 28 | 82.4 |
| November | 28 | 82.4 |
| December | 27 | 80.6 |
❓ Frequently Asked Questions – Weather in Koh Lanta:
1. What is the best time to visit Koh Lanta for good weather?
-
- The best time to visit Koh Lanta for good weather is between November and April. During these months, the weather is generally dry, sunny, and with low humidity. It is also the peak tourist season on the island, with the busiest months being December and January.
2. Does it rain a lot in Koh Lanta?
-
- Koh Lanta experiences a rainy season from May to October, with the highest rainfall occurring in September and October. During this time, it can rain heavily for several hours a day, causing flash floods and landslides. However, even during the rainy season, there can still be many sunny days.
3. Are there any storms in Koh Lanta?
-
- Koh Lanta is located in the Andaman Sea, which is prone to tropical storms and typhoons. The most active period for storms is from May to December, with the highest risk in September and October. However, Koh Lanta is not as vulnerable to direct hits as other parts of the Andaman coast.
4. How hot does it get in Koh Lanta?
-
- Koh Lanta has a tropical climate, with temperatures ranging from 25°C to 35°C throughout the year. The hottest months are usually April and May, with temperatures often exceeding 35°C. During these months, it can be uncomfortably hot, and visitors should take precautions to avoid heat exhaustion.
5. What is the humidity like in Koh Lanta?
-
- Koh Lanta has a high level of humidity throughout the year, with levels ranging from 70% to 90%. The most humid months are usually between June and August, during the rainy season. Visitors should be prepared for the heat and humidity by wearing lightweight clothing and drinking plenty of fluids.
6. Is there a monsoon season in Koh Lanta?
-
- Koh Lanta experiences a monsoon season from May to October, which is characterized by heavy rainfall and strong winds. During this time, it is not uncommon for ferries and boats to be canceled due to rough seas. However, the monsoon season is also a great time for surfers and other water sports enthusiasts.
7. Is it safe to swim in the sea in Koh Lanta?
-
- It is generally safe to swim in the sea in Koh Lanta, but visitors should be aware of the tide and currents, which can be strong in some areas. The sea temperature is warm throughout the year, ranging from 27°C to 30°C, making it ideal for swimming and other water activities.
8. Is there a risk of sunburn in Koh Lanta?
-
- Koh Lanta is located close to the equator, and the sun can be intense, even on cloudy days. Visitors should use sunscreen with a high SPF and wear protective clothing when spending time in the sun. It is also important to drink plenty of water to avoid dehydration.
9. What is the air quality like in Koh Lanta?
-
- The air quality in Koh Lanta is generally good, but during the dry season, from January to April, there can be a lot of dust and smoke from forest fires and agricultural burning. Visitors with respiratory conditions should take precautions and consult their doctor before traveling.
10. What is the sea temperature like in Koh Lanta?
-
- The sea temperature in Koh Lanta is warm throughout the year, ranging from 27°C to 30°C. This makes it ideal for swimming, snorkeling, and other water activities. The sea is also relatively calm during the dry season, making it easier to explore the nearby islands.
11. How is the air temperature at night in Koh Lanta?
-
- The air temperature in Koh Lanta remains warm at night, with temperatures ranging from 23°C to 27°C throughout the year. During the dry season, the nights can be more comfortable, with a gentle sea breeze to cool things down.
12. What should I pack for a trip to Koh Lanta?
-
- When packing for a trip to Koh Lanta, it is important to bring lightweight and breathable clothing, including swimsuits, shorts, and t-shirts. Visitors should also bring sunscreen, sunglasses, and a hat to protect themselves from the sun. Insect repellent and a first aid kit are also recommended. If you plan to do water activities, such as snorkeling or diving, bring a rash guard or wetsuit for added protection.
13. Are there any festivals or events that take place in Koh Lanta related to the weather?
-
- One of the most popular is the Loy Krathong festival, which takes place during the full moon in November. During this festival, people make small boats out of banana leaves and flowers and float them on the sea as a way of giving thanks and asking for forgiveness from the water goddess. Another festival is Songkran, which takes place in mid-April and marks the Thai New Year. During Songkran, people splash water on each other as a way of cleansing and starting anew.
14. Where you can travel from Koh Lanta?
-
- From Koh Lanta you can travel by speedboat or ferry to Koh Mook, Koh Phi Phi, Krabi or you can also travel to Phuket. Krabi and Phuket are the most popular tourist places in southern Thailand.
15. How to travel solo in Thailand?
-
- 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.
BOOK your HOTEL in Koh Lanta ➜
BOOK a TOUR / TRIP in Thailand ➜
Weather in Krabi｜Weather in Khao Lak｜Weather in Phuket｜Weather in Koh Tao｜Weather in K.Phangan｜Weather in Koh Samui｜Weather in Pattaya