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What is the weather in Cat Ba Island in Vietnam?
Cat Ba Island is a beautiful destination located in northern Vietnam, near the famous Halong Bay. The island has a tropical climate with two distinct seasons – a hot and humid summer and a cool and dry winter. The summer months in Cat Ba Island last from May to September and are characterized by high temperatures and occasional rainfall. The average temperature during this season ranges from 28°C to 35°C. The humidity levels are also high, making it feel hotter than the actual temperature. Visitors should be prepared for sudden rain showers and thunderstorms during this time of the year.
The winter season in Cat Ba Island lasts from October to April and is relatively mild and dry. The average temperature during this season ranges from 16°C to 22°C. The weather is sunny and pleasant, making it the ideal time to explore the island’s natural beauty. However, visitors should still pack some warm clothing as the temperature can drop at night. From Cat Ba you can also travel by bus + ferry to Hanoi – the capital of Vietnam
What is the best time to visit Cat Ba Island?
The best time to visit Cat Ba Island is during the dry season, which lasts from October to April. During this time, the weather is cool and pleasant, with clear skies and low humidity levels. The temperatures are also comfortable for outdoor activities such as hiking, kayaking, and exploring the island’s beaches. The peak tourist season in Cat Ba Island is from December to February, which is also the coolest time of the year. If you prefer to avoid the crowds and enjoy a quieter experience, it is recommended to visit during the shoulder season, which is from October to November and from March to April. Visitors should note that Cat Ba Island can get crowded during holidays and weekends, especially during the summer months. It is recommended to book accommodations and activities in advance during these busy periods. Overall, the best time to visit Cat Ba Island is during the dry season when the weather is comfortable and perfect for outdoor activities. What is the current weather in Cat Ba Island? ➜ Current weather in Cat Ba Island
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Weather in Cat Ba Island throughout the year:
| Month | Weather Description |
|---|---|
| January in Cat Ba Island | January in Cat Ba is typically the coldest month of the year, with moderate winds and relatively low humidity. The weather is generally dry, with occasional light rain. Temperatures during this time range between 15°C (59°F) and 20°C (68°F), making it a relatively mild winter month. It’s important to note, however, that temperatures can feel cooler due to the wind chill factor, so it’s recommended to bring warm clothing when visiting Cat Ba in January. Overall, the weather in January in Cat Ba is quite pleasant, making it a good time to visit for those who prefer cooler temperatures and smaller crowds. |
| February in Cat Ba Island | In February, the weather in Cat Ba starts to improve compared to January. The average temperature is around 16-21°C (61-70°F), with a relative humidity of 70-80%. It is less rainy compared to January, with around 7-9 rainy days expected. However, it can still be a bit chilly in the evenings, so it’s advisable to bring some warm clothing. The sea temperature also begins to warm up, reaching around 21-23°C (70-73°F) by the end of the month. This makes it a good time for water activities like swimming, kayaking, and snorkeling.. |
| March in Cat Ba Island | In March, the weather in Cat Ba Island begins to warm up as spring arrives. The average temperature during this month is around 21-23°C (70-73°F), with the low temperature at night hovering around 17-19°C (63-66°F). The humidity levels decrease slightly, but it’s still quite humid. March is generally a dry month with an average of 70mm (2.8 inches) of rainfall spread over eight days. The sea temperature is around 23°C (73°F), which is still comfortable for swimming and water activities. Overall, March is a good time to visit Cat Ba Island if you prefer milder temperatures and fewer crowds. |
| April in Cat Ba Island | In April, Cat Ba Island experiences a gradual increase in temperatures as the island transitions from the cooler winter months to the warmer summer months. The average temperature during the day is around 25-28°C, while the temperature at night is around 20-24°C. April is known to be one of the driest months of the year, with an average of only 7 rainy days in the month. However, it is still recommended to bring rain gear as sudden showers can occur. Overall, April is a good time to visit Cat Ba Island for outdoor activities such as trekking, swimming, and beach hopping. |
| May in Cat Ba Island | May marks the beginning of summer in Cat Ba, Vietnam, and the temperature starts to rise gradually throughout the month. The average high temperature in May is around 30°C (86°F), and the average low temperature is around 24°C (75°F). May is a relatively dry month in Cat Ba, with an average of 110mm of rainfall, spread across 13 days. The humidity levels also start to rise in May, with an average humidity of 77%. The sea temperature is around 28°C (82°F) in May, making it ideal for swimming and other water activities. |
| June in Cat Ba Island | June is a transition month for weather in Cat Ba, as it marks the start of the rainy season. Temperatures continue to rise, with average highs around 31°C (88°F) and lows around 26°C (78°F). Humidity is high, and there is an average of 170mm (6.7 inches) of rainfall spread over 15 rainy days throughout the month. Despite the rainy season, there are still plenty of sunny days in June, and it’s a good time for outdoor activities such as hiking and kayaking. It’s important to check weather forecasts and be prepared for sudden rain showers. |
| July in Cat Ba Island | July is one of the hottest and wettest months in Cat Ba. The average temperature ranges from 27°C to 32°C, with high humidity levels. There is also a high chance of rain and thunderstorms, with an average of 12 rainy days in the month. Despite the rain, July is still a popular month for tourists to visit Cat Ba due to its vibrant greenery, lush forests, and beautiful beaches. It’s a great time to enjoy water sports such as kayaking, swimming, and snorkeling, as well as exploring the island’s natural beauty. Just be prepared for the occasional downpour and pack accordingly. |
| August in Cat Ba Island | August is similar to July in terms of temperature and humidity, with an average temperature of around 31°C (88°F) and high humidity levels. Like July, there can be frequent thunderstorms and heavy rain showers, but this is also one of the best months for swimming and water activities as the sea is warm and calm. |
| September in Cat Ba Island | In September, the weather in Cat Ba begins to cool down with temperatures averaging around 27°C (81°F). It is still considered part of the rainy season, but the amount of rainfall decreases compared to the previous months. Visitors can expect occasional rain showers, but also plenty of sunshine throughout the day. The humidity levels begin to drop towards the end of the month, making it more comfortable to explore the island’s natural beauty. September is also a great time to enjoy the beaches and participate in water sports activities as the sea remains calm and warm. |
| October in Cat Ba Island | October is a great time to visit Cat Ba, as the weather is mild and comfortable. The average temperature in October ranges from 23°C (73°F) to 28°C (82°F), and there is generally low humidity. You can expect some occasional rain, but overall, the weather is relatively dry with only about 7 rainy days on average during the month. October is still a good time to explore the island’s natural beauty, with many outdoor activities still available. You can take a kayak or boat tour to explore the stunning Lan Ha Bay, or go trekking in the Cat Ba National Park. The beaches are less crowded than during the summer months, so it’s a good time to relax and enjoy the sun. |
| November in Cat Ba Island | November marks the start of the cooler and drier season in Cat Ba. The temperature drops further, with an average high of around 25°C and an average low of around 19°C. The humidity also decreases, making it a more pleasant time to explore the island. The sea temperature drops to around 25°C, but it’s still warm enough for swimming and water sports. November is a good month for outdoor activities, such as hiking and kayaking, as the weather is mild and the crowds are fewer than during peak season. It’s important to note that November is still part of the typhoon season, so keep an eye on the weather forecast and plan accordingly. |
| December in Cat Ba Island | December is the start of the winter season in Cat Ba, and the weather can be quite cool with an average temperature of around 20°C (68°F). It’s also the driest month of the year, so it’s a good time for outdoor activities. However, the sea can be choppy, and some boat tours may be cancelled due to the weather. |
The Current weather in Cat Ba Island – Vietnam:
Max, Min and Average Temperature in Cat Ba Island:
The island has a warm and humid climate with temperatures ranging from a minimum of around 15°C (59°F) in the winter months to a maximum of around 35°C (95°F) in the summer months. The average temperature in Cat Ba Island is around 25°C (77°F), which makes it a pleasant place to visit all year round, with the best time to visit from October to April when the weather is cooler and drier.
| Month | Max Temp (°C) | Min Temp (°C) | Avg Temp (°C) |
|---|---|---|---|
| January | 20 | 15 | 17.5 |
| February | 22 | 16 | 19 |
| March | 25 | 18 | 21.5 |
| April | 28 | 21 | 24.5 |
| May | 31 | 24 | 27.5 |
| June | 33 | 26 | 29.5 |
| July | 34 | 26 | 30 |
| August | 33 | 26 | 29.5 |
| Sep | 31 | 24 | 27.5 |
| October | 29 | 22 | 25.5 |
| Nov | 26 | 19 | 22.5 |
| Dec | 22 | 16 | 19 |
Rainfall and Rainy Days in Cat Ba Island:
Cat Ba Island has a humid subtropical climate with frequent rainfall throughout the year. The rainy season is from May to October, with July and August being the months with the highest rainfall levels. Visitors should expect rain during their stay, so it is recommended to bring appropriate clothing and gear. Despite the rainfall, Cat Ba Island is a popular tourist destination year-round, with visitors enjoying a range of activities and attractions.
| Month | Average Monthly Rainfall (mm) | Number of Rainy Days |
|---|---|---|
| January | 50 | 11 |
| February | 30 | 8 |
| March | 40 | 10 |
| April | 70 | 13 |
| May | 210 | 19 |
| June | 330 | 22 |
| July | 390 | 24 |
| August | 350 | 24 |
| September | 260 | 20 |
| October | 130 | 15 |
| November | 80 | 12 |
| December | 60 | 10 |
Max and Average Wind Speed and Wind Gust in Cat Ba Island:
Cat Ba Island experiences relatively strong winds throughout the year, with the highest wind speeds occurring from November to April. The average wind speeds range from 10 to 15 km/h, and visitors should be aware of the weather conditions before planning outdoor activities. It is recommended to bring appropriate clothing and gear to stay comfortable in windy conditions.
| Month | Average Wind Speed (km/h) | Maximum Wind Speed (km/h) |
|---|---|---|
| January | 12 | 30 |
| February | 12 | 30 |
| March | 13 | 35 |
| April | 15 | 40 |
| May | 13 | 30 |
| June | 12 | 25 |
| July | 11 | 25 |
| August | 11 | 25 |
| September | 12 | 30 |
| October | 14 | 35 |
| November | 15 | 40 |
| December | 14 | 35 |
Cloud and Humidity in Cat Ba Island:
Cat Ba Island has a humid subtropical climate with high levels of humidity throughout the year. The island also has frequent cloud cover due to its coastal location and nearby mountains. Visitors should expect high humidity levels and frequent cloud cover, particularly during the summer months, from May to September. It is recommended to bring appropriate clothing and gear to stay comfortable in these conditions.
| Month | Aver. Cloud Cover (%) | Aver. Humidity (%) |
|---|---|---|
| January | 40 | 82 |
| February | 35 | 81 |
| March | 30 | 80 |
| April | 25 | 79 |
| May | 20 | 78 |
| June | 20 | 78 |
| July | 20 | 80 |
| August | 25 | 81 |
| September | 30 | 82 |
| October | 35 | 83 |
| November | 40 | 83 |
| December | 40 | 82 |
Sun Hours and Sun Days in Cat Ba Island:
Cat Ba Island experiences a tropical monsoon climate and has warm temperatures throughout the year, with an average high of around 30°C in the summer and an average low of around 15°C in the winter. During the summer months, the island sees an average of 7-8 hours of sunshine per day, with occasional rain showers and thunderstorms. In contrast, the winter months are much cloudier and rainier, with only 2-3 hours of sunshine per day on average. Visitors should plan accordingly to make the most of the island’s natural beauty and attractions.
| Month | Sun Hours per Day | Sunny Days per Month |
|---|---|---|
| January | 3 | 10 |
| February | 3 | 10 |
| March | 4 | 12 |
| April | 5 | 15 |
| May | 6 | 19 |
| June | 7 | 23 |
| July | 8 | 26 |
| August | 8 | 26 |
| September | 6 | 18 |
| October | 5 | 15 |
| November | 4 | 12 |
| December | 3 | 10 |
Visibility in Cat Ba Island:
Cat Ba Island has generally good visibility throughout the year, particularly during the dry season from November to March. During this period, visitors can expect clear blue skies and bright sunshine, with visibility extending to several kilometers. However, during the wet season from April to October, visibility can be more limited due to increased humidity, cloud cover, and occasional rain showers. Fog and mist can also occur, particularly in the early morning hours.
| Month | Visibility (km) |
|---|---|
| January | 6-10 |
| February | 6-10 |
| March | 6-10 |
| April | 4-6 |
| May | 4-6 |
| June | 4-6 |
| July | 4-6 |
| August | 4-6 |
| September | 4-6 |
| October | 4-6 |
| November | 6-10 |
| December | 6-10 |
What is the sea temperature in Cat Ba Island:
The sea temperature in Cat Ba Island ranges from 23°C to 30°C throughout the year, with the warmest temperatures usually occurring from June to September. During the cooler months of December to March, sea temperatures can dip to 23-24°C, while temperatures can reach up to 30°C or higher in the warmer months. The sea temperature is generally comfortable for swimming year-round, although temperatures can vary depending on location and other factors. Visitors should check local sea conditions before swimming or participating in water activities.
| Month | Sea Temperature (°C) |
|---|---|
| January | 23-24 |
| February | 23-24 |
| March | 23-24 |
| April | 25-27 |
| May | 27-29 |
| June | 29-31 |
| July | 29-31 |
| August | 29-31 |
| September | 28-30 |
| October | 27-29 |
| November | 25-27 |
| December | 23-24 |
❓ Frequently Asked Questions – Weather in Cat Ba Island:
1. What is the weather like in Cat Ba Island?
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- The weather in Cat Ba Island is generally warm and humid, with temperatures ranging from around 20°C to 33°C throughout the year. The island has a subtropical climate, which means it has four distinct seasons.
2. When is the best time to visit Cat Ba Island?
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- The best time to visit Cat Ba Island is generally from April to October, when temperatures are warm and rainfall is lower. During these months, visitors can enjoy sunny weather, clear skies, and warm sea temperatures.
3. Does it rain a lot in Cat Ba Island?
-
- Yes, Cat Ba Island experiences high rainfall, particularly from May to September, which is also the typhoon season. During these months, visitors should expect occasional showers and thunderstorms.
4. Are there any typhoons in Cat Ba Island?
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- Yes, Cat Ba Island can be affected by typhoons during the wet season, which is from May to September. Visitors should keep up-to-date with local weather reports and follow the advice of local authorities.
5. What should I wear in Cat Ba Island?
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- Lightweight clothing is recommended, as well as comfortable shoes for exploring the island. It’s also advisable to bring rain gear during the wet season, as well as sunscreen and insect repellent. Read this article: What to pack to Vietnam.
6. Can I swim in Cat Ba Island?
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- Yes, you can swim in Cat Ba Island year-round as the sea temperature remains warm. However, visitors should check local sea conditions before swimming or participating in water activities.
7. Is sunscreen necessary in Cat Ba Island?
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- Yes, it’s highly recommended to wear sunscreen in Cat Ba Island, as the sun can be strong and cause sunburn. Visitors should also wear protective clothing and seek shade during the hottest parts of the day.
8. Are there any mosquitoes in Cat Ba Island?
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- Yes, there can be mosquitoes in Cat Ba Island, particularly during the wet season. Visitors should bring insect repellent and wear long-sleeved clothing during the evening.
9. What is the humidity like in Cat Ba Island?
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- The humidity in Cat Ba Island is generally high, particularly during the wet season. Visitors should stay hydrated and take regular breaks when exploring the island.
10. What is the average temperature in Cat Ba Island?
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- The average temperature in Cat Ba Island is around 25-27°C throughout the year. During the summer months, temperatures can reach as high as 33°C, while in the winter months, temperatures can drop to around 20°C.
11. Does Cat Ba Island have four seasons?
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- Yes, Cat Ba Island has four seasons: spring (March to May), summer (June to August), autumn (September to November), and winter (December to February). Each season has its own unique weather patterns and attractions.
12. What is the UV index like in Cat Ba Island?
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- The UV index in Cat Ba Island can be high, particularly during the summer months. Visitors should wear sunscreen with a high SPF, as well as protective clothing and sunglasses.
13. Can I go hiking in Cat Ba Island?
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- Yes, there are several hiking trails in Cat Ba Island, particularly in the Cat Ba National Park. Visitors should wear comfortable shoes and bring water, sunscreen, and insect repellent. It’s also recommended to hire a local guide for safety and navigation.
14. Wherer you can travel from Cat Ba Island?
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- From Cat Ba Island you can travel by ferry + bus to Ninh Binh or you can use this way of transport for getting to Hanoi – the capital of Vietnam. You can also travel via Hanoi to Sapa in northern Vietnam.
15. What are the most popular and beautiful islands in Vietnam?
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- Vietnam has a lot of beautiful islands also accessible for tourists. One of the most popular is Phu Quoc in southern Vietnam, but you should carefully read this article about 10 Best Islands in Vietnam.
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