VietnamThe climate of Phong Nha
The current climate in Phong Nha features temperatures ranging from a high of 35°C to a low of 23°C throughout the year. The average yearly temperature is around 30°C. At night, temperatures in the colder months average around 16°C and in the warmer months around 26°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Phong Nha, Vietnam.
Temperature records
The highest temperature recorded in Phong Nha in recent years was 43°C in May 2023. The lowest daytime temperature recorded was 13°C in January 2016.
Rainfall amount
On average, Phong Nha receives 2370 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
The typhoon season in Phong Nha runs from June to November.
Curious about the weather in other parts of Vietnam? Check out the climate and weather for spots like Hanoi, Halong Bay, Ho Chi Minh City, or explore other destinations in Vietnam.
Best time to visit Phong Nha?
The best time to visit Phong Nha for sunny weather is January through April and June. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Phong Nha. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
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Climate Table of Phong Nha
The climate table of Phong Nha shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 23 | 24 | 28 | 30 | 34 | 35 | 34 | 34 | 32 | 29 | 27 | 23 |
| Temp. min (°C) | 17 | 19 | 21 | 23 | 25 | 27 | 26 | 26 | 26 | 22 | 20 | 17 |
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| Precipitation (mm) | 70 | 55 | 48 | 85 | 121 | 63 | 149 | 148 | 471 | 674 | 309 | 177 |
| UV Index | 5 | 6 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 5 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
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Temperature charts
These charts display the average temperatures in Phong Nha, Vietnam. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Phong Nha
Yearly Temperature in Phong Nha
Precipitation charts
These charts show the average amount of precipitation in Phong Nha, Vietnam. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Phong Nha
Total Yearly Precipitation in Phong Nha
UV index chart
This chart shows the average UV index per month in Phong Nha, Vietnam. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Phong Nha
Weather experiences in Phong Nha
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Average weather in Phong Nha by month
Click on a month below to see detailed weather info for Phong Nha. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.