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What is the weather in Phong Nha in Vietnam?
Phong Nha is a district in the Quang Binh province of Vietnam. It is known for its stunning natural landscapes and unique geological features, such as the Phong Nha-Ke Bang National Park or the Son Doong cave, which are popular tourist destinations. The weather in Phong Nha is characterized by two distinct seasons – the rainy season and the dry season. The rainy season starts from September to March, while the dry season begins from April to August. During the rainy season, Phong Nha experiences heavy rainfall and high humidity. The months of October to January are the wettest, with frequent rain showers and occasional typhoons. The average temperature during this season ranges from 18°C to 23°C.
On the other hand, the dry season in Phong Nha in central Vietnam is relatively mild, with low humidity and little to no rainfall. Temperatures during this season can reach up to 35°C in the months of May to August. However, the evenings can be cooler, with temperatures dropping to around 18°C to 22°C. Overall, the best time to visit Phong Nha is during the dry season when the weather is more predictable and comfortable for outdoor activities.
What is the best time to visit Phong Nha? When to go?
The best time to visit Phong Nha is during the dry season, which runs from April to August. During this time, the weather is mild, with low humidity and little to no rainfall, making it ideal for outdoor activities such as trekking, cave exploration, and cycling. Additionally, the dry season provides excellent visibility for exploring the many caves and caverns in the area. Visitors can also enjoy swimming in the local rivers and waterfalls, which are more accessible during this time.
However, if you are looking to avoid crowds, it is best to visit Phong Nha during the shoulder seasons of March to April and September to October. The weather during these months is generally pleasant, and you can enjoy the scenic beauty of the area without the large crowds. It is worth noting that the weather in Phong Nha can be unpredictable, and there can be occasional rain showers during the dry season. Therefore, it is always a good idea to check the weather forecast before planning your trip. What is the current weather in Phong Nha? ➜ Current weather in Phong Nha
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Weather in Phong Nha throughout the year:
| Month | Weather Description |
|---|---|
| January in Phong Nha | Phong Nha experiences high levels of rainfall and high humidity, with mild temperatures ranging from 14°C to 25°C. Despite the wet weather, the lush greenery and vibrant landscapes make for a beautiful sight, and the natural attractions in the area remain accessible. Visitors should pack accordingly with waterproof clothing and shoes. |
| February in Phong Nha | February falls towards the end of the rainy season in Phong Nha, with precipitation levels starting to decrease gradually as the month progresses. However, visitors can still expect some rainfall and high humidity during this month. The average temperature in February ranges from 16°C to 25°C, with the humidity level remaining high, making the weather feel warmer. Visitors can expect occasional rain showers, but the skies are generally clearer towards the end of the month, providing more opportunities for outdoor activities. |
| March in Phong Nha | Phong Nha experiences milder temperatures, decreasing precipitation, and less humidity than the previous months. It is an excellent time to visit as the natural attractions are still easily accessible and the weather is pleasant. Visitors should pack comfortable clothing suitable for mild temperatures and be prepared for occasional rain showers. |
| April in Phong Nha | April is one of the best months to visit Phong Nha due to its comfortable weather conditions. The dry season is starting, which means visitors can expect low precipitation levels, clear skies, and warm temperatures, ranging from 20°C to 32°C. This time of the year is perfect for outdoor activities such as trekking, cycling, and cave exploration. The rivers and waterfalls are at their fullest, making for some stunning natural scenery. While April is a popular time to visit, visitors are advised to book accommodations and tours in advance as the area can get busy during this time. |
| May in Phong Nha | May marks the transition period between the dry and wet seasons in Phong Nha, with the occasional rainfall and rising temperatures. The average temperature in May ranges from 24°C to 33°C, with humidity levels starting to increase as the month progresses.Visitors can expect some rainfall during this month, but the skies are generally clearer towards the beginning of the month, providing ample opportunities for outdoor activities. The natural attractions in the area are still easily accessible, and visitors can enjoy the lush greenery and vibrant landscapes. May is a great time to visit Phong Nha for those who prefer to avoid the crowds, as it is a quieter time in the region. |
| June in Phong Nha | June marks the beginning of the wet season in Phong Nha, with high levels of rainfall and increasing humidity. The average temperature in June ranges from 25°C to 34°C, with frequent rain showers and thunderstorms. Due to the heavy rainfall, some of the natural attractions in the area may be temporarily closed for safety reasons. However, visitors can still enjoy the lush greenery and vibrant landscapes that come with the wet season. It is also an excellent time to visit for those interested in seeing the waterfalls and streams in their full glory. June is a quieter time in Phong Nha, with fewer tourists and lower accommodation prices. However, visitors should be prepared for frequent rain showers and pack suitable clothing and footwear for wet conditions. |
| July in Phong Nha | July is one of the wettest months in Phong Nha, with high levels of rainfall and increased humidity. The average temperature in July ranges from 24°C to 33°C, with frequent rain showers and thunderstorms. Due to the heavy rainfall, some of the natural attractions in the area may be temporarily closed for safety reasons. However, visitors can still enjoy the lush greenery and vibrant landscapes that come with the wet season. It is also an excellent time to visit for those interested in seeing the waterfalls and streams in their full glory. |
| August in Phong Nha | August is still a wet month in Phong Nha, with high levels of rainfall and high humidity. The average temperature in August ranges from 24°C to 33°C, with frequent rain showers and thunderstorms. Due to the heavy rainfall, some of the natural attractions in the area may be temporarily closed for safety reasons. However, visitors can still enjoy the lush greenery and vibrant landscapes that come with the wet season. It is also an excellent time to visit for those interested in seeing the waterfalls and streams in their full glory. August is a quieter time in Phong Nha, with fewer tourists and lower accommodation prices. However, visitors should be prepared for frequent rain showers and pack suitable clothing and footwear for wet conditions. |
| September in Phong Nha | September marks the end of the wet season in Phong Nha, with decreasing levels of rainfall and humidity. The average temperature in September ranges from 23°C to 32°C, with occasional rain showers and thunderstorms. The natural attractions in the area are still lush and vibrant, with waterfalls and streams still flowing from the wet season. The skies also begin to clear up, providing opportunities for outdoor activities. September is a great time to visit for those who prefer to avoid the crowds and enjoy the natural beauty of the area in a more peaceful setting. Visitors should be aware that some of the local businesses may have limited hours due to the off-season. However, accommodation prices remain low, making it an affordable time to visit. |
| October in Phong Nha | October is considered one of the best months to visit Phong Nha, with lower levels of rainfall and humidity and pleasant temperatures. The average temperature in October ranges from 21°C to 30°C, with occasional rain showers. The natural attractions in the area are still lush and vibrant, with waterfalls and streams still flowing from the wet season. The skies are clear, providing excellent opportunities for outdoor activities such as trekking, cycling, and exploring the caves. October is a popular time to visit Phong Nha, and visitors can expect larger crowds and higher accommodation prices. However, the atmosphere is still relaxed, and visitors can enjoy a mix of outdoor adventures and cultural experiences. |
| November in Phong Nha | November is a transitional month in Phong Nha, with decreasing temperatures and occasional rainfall. The average temperature in November ranges from 18°C to 27°C, with occasional rain showers. The natural attractions in the area are still lush and vibrant, but the water levels in streams and waterfalls may begin to decrease. The skies are clear, providing excellent opportunities for outdoor activities such as trekking, cycling, and exploring the caves. November is a quieter time to visit Phong Nha, with fewer crowds and lower accommodation prices. However, visitors should be aware that some of the local businesses may have limited hours due to the off-season. |
| December in Phong Nha | December is the start of the dry season in Phong Nha, with cool temperatures and low levels of rainfall. The average temperature in December ranges from 15°C to 23°C, with occasional cold fronts bringing in chilly temperatures. The natural attractions in the area are still lush and vibrant, but the water levels in streams and waterfalls may be lower due to the start of the dry season. The skies are clear, providing excellent opportunities for outdoor activities such as trekking, cycling, and exploring the caves. December is a quieter time to visit Phong Nha, with fewer crowds and lower accommodation prices. Visitors can enjoy a mix of outdoor adventures and cultural experiences during the festive season, with the local communities celebrating Christmas and New Year’s Eve. |
The Current weather in Dong Hoi – Phong Nha-Ke Bang:
Max, Min and Average Temperature in Phong Nha:
Phong Nha experiences distinct wet and dry seasons, with temperatures ranging from 15°C to 32°C. During the wet season (September to January), temperatures are warmer with an average maximum temperature of around 30°C and an average minimum temperature of around 23°C. During the dry season (February to August), temperatures are cooler with an average maximum temperature of around 25°C and an average minimum temperature of around 18°C.
| Month | Max. Temp. (°C) | Min. Temp. (°C) | Aver. Temp. (°C) |
|---|---|---|---|
| January | 20 | 13 | 17 |
| February | 22 | 15 | 18.5 |
| March | 25 | 18 | 21.5 |
| April | 30 | 23 | 26.5 |
| May | 33 | 25 | 29 |
| June | 34 | 26 | 30 |
| July | 34 | 25 | 29.5 |
| August | 33 | 24 | 28.5 |
| Sep | 31 | 23 | 27 |
| October | 28 | 20 | 24 |
| Nov | 25 | 18 | 21.5 |
| Dec | 23 | 15 | 19 |
Rainfall and Rainy Days in Phong Nha:
Phong Nha receives the majority of its rainfall during the wet season, which runs from September to January. During this period, the region experiences heavy and frequent rain, with an average monthly rainfall of around 400mm to 500mm. February to August is the dry season, with rainfall dropping to an average monthly total of around 50mm to 200mm. On average, Phong Nha experiences around 130 rainy days per year. During the wet season, there are around 20 to 25 rainy days per month, while the dry season sees only a handful of rainy days per month. The highest rainfall occurs in October and November, while the lowest rainfall occurs in March and April.
| Month | Rainfall (mm) | Rainy Days |
|---|---|---|
| January | 39 | 7 |
| February | 44 | 7 |
| March | 90 | 12 |
| April | 130 | 14 |
| May | 223 | 18 |
| June | 322 | 22 |
| July | 349 | 22 |
| August | 301 | 20 |
| September | 463 | 24 |
| October | 632 | 26 |
| November | 468 | 23 |
| December | 192 | 14 |
Max and Average Wind Speed and Wind Gust in Phong Nha:
Phong Nha experiences a moderate level of wind throughout the year, with average wind speeds ranging from 1-3 meters per second. The highest average wind speeds are typically recorded during the dry season, from February to August. During the wet season, from September to January, the average wind speeds are slightly lower. Wind gusts, which are sudden and brief increases in wind speed, are less common in Phong Nha compared to other regions of Vietnam. However, gusts of up to 10-12 meters per second can occur during strong weather systems. The highest wind gusts tend to occur during the dry season, particularly in February and March.
| Month | Max Avg. Wind Speed (km/h) | Max Wind Gust (km/h) | Wind Gusts (km/h) |
|---|---|---|---|
| January | 2 | 5 | 10 |
| February | 2 | 5 | 10 |
| March | 2 | 5 | 10 |
| April | 2 | 5 | 10 |
| May | 2 | 5 | 10 |
| June | 10 | 20 | 15 |
| July | 10 | 20 | 15 |
| August | 10 | 20 | 15 |
| Sep | 2 | 5 | 10 |
| October | 2 | 5 | 10 |
| Nov | 2 | 5 | 10 |
| Dec | 2 | 5 | 10 |
Cloud and Humidity in Phong Nha:
Phong Nha has a tropical climate with high humidity levels ranging from 70% to 90% throughout the year. During the rainy season from September to December, the region experiences heavy cloud cover, while the dry season from January to August is characterized by clear skies and less cloud cover. These factors contribute to the region’s lush greenery and thriving wildlife, and visitors should be prepared for high humidity levels and potential heavy cloud cover during the rainy season.
| Month | Humidity (%) | Cloud Cover |
|---|---|---|
| January | 70-80 | Less Cloud Cover |
| February | 70-80 | Less Cloud Cover |
| March | 75-85 | Less Cloud Cover |
| April | 75-85 | Less Cloud Cover |
| May | 75-85 | Less Cloud Cover |
| June | 80-90 | Less Cloud Cover |
| July | 80-90 | Less Cloud Cover |
| August | 80-90 | Less Cloud Cover |
| September | 80-90 | Heavy Cloud Cover |
| October | 80-90 | Heavy Cloud Cover |
| November | 75-85 | Heavy Cloud Cover |
| December | 70-80 | Heavy Cloud Cover |
Sun Hours and Sun Days in Phong Nha:
Phong Nha experiences varying numbers of sun hours and sun days throughout the year, with an average of 7 to 8 hours of sunshine per day and 120 to 160 sunny days per year. The highest number of sun hours and sun days occur during June, July, and August, while the lowest occur during December, January, and February. However, these numbers are subject to change due to factors like cloud cover, rainfall, and atmospheric conditions.
| Month | Average Sun Hours per Day | Average Sunny Days |
|---|---|---|
| January | 4-5 | 5-6 |
| February | 4-5 | 5-6 |
| March | 6-7 | 9-12 |
| April | 6-7 | 12-15 |
| May | 6-7 | 14-17 |
| June | 9 | 19-22 |
| July | 9 | 19-22 |
| August | 9 | 19-22 |
| September | 7-8 | 13-15 |
| October | 6-7 | 11-14 |
| November | 5-6 | 6-9 |
| December | 4-5 | 5-6 |
❓ Frequently Asked Questions – Weather in Phong Nha:
1. What is the weather like in Phong Nha?
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- Phong Nha has a tropical climate, with hot and humid summers and mild winters. The average temperature in Phong Nha is around 26°C (79°F). However, the temperature can vary depending on the season and time of day.
2. What is the best time to visit Phong Nha?
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- The best time to visit Phong Nha is during the dry season, which runs from February to August. During this time, the weather is generally cooler and drier, and visibility is better. However, it’s also the peak tourist season, so be prepared for more crowds and higher prices.
3. When is the wet season in Phong Nha?
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- The wet season in Phong Nha runs from September to January, with the highest rainfall occurring between October and December. It’s important to note that heavy rains and flooding can occur during the wet season, which may affect transportation and access to some attractions.
4. Is it safe to visit Phong Nha during the wet season?
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- Yes, it is safe to visit Phong Nha during the wet season. However, some activities may be limited due to weather conditions, and it’s important to stay informed about potential flooding or landslides in the area.
5. What should I pack for a trip to Phong Nha?
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- In addition to lightweight, breathable clothing and comfortable shoes, it’s recommended to pack rain gear if traveling during the wet season. Sunscreen, insect repellent, and a hat are also recommended, as well as a reusable water bottle and a basic first-aid kit.
6. How hot does it get in Phong Nha?
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- While the average temperature in Phong Nha is around 26°C (79°F), it can get much hotter during the summer months, with temperatures reaching 35°C (95°F) or higher. It’s important to stay hydrated and avoid prolonged exposure to the sun during hot weather.
7. Is there air conditioning in Phong Nha accommodations?
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- Yes, most accommodations in Phong Nha have air conditioning to help guests stay cool and comfortable during hot weather. Some accommodations may also provide fans or other cooling options.
8. Does it snow in Phong Nha?
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- No, it does not snow in Phong Nha due to its tropical climate. However, temperatures can drop slightly during the winter months, especially at night.
9. What is the UV index like in Phong Nha?
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- The UV index in Phong Nha can be high, especially during the dry season. It’s recommended to wear sunscreen with a high SPF and protective clothing to avoid sunburn. Hats and sunglasses can also provide additional protection.
10. Is it windy in Phong Nha?
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- Wind speeds in Phong Nha are typically low, with the exception of occasional typhoons during the wet season. It’s important to stay informed about weather conditions and potential storms if traveling during the wet season.
11. Are there mosquitoes in Phong Nha?
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- Yes, there are mosquitoes in Phong Nha, especially during the wet season. It’s recommended to use insect repellent and wear long-sleeved clothing to avoid mosquito bites. Some accommodations may also provide mosquito nets.
12. Can I swim in the rivers and lakes in Phong Nha?
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- Yes, it’s possible to swim in the rivers and lakes in Phong Nha. However, it’s important to be aware of potential hazards such as strong currents and submerged rocks. Always swim in designated areas and follow safety guidelines.
13. Does Phong Nha ever experience droughts?
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- Yes, Phong Nha has experienced droughts in the past, particularly during the dry season when water levels can become low. However, this is less common during years with higher rainfall.
14. Where you can go from Phong Nha?
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- From Phong Nha-Ke Bang National Park you can travel by bus / train to Ninh Binh and via this town you can also go to Hanoi – the capital of Vietnam. Phong Nha has no airport, the closest airport is in Dong Hoi.
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