VietnamThe climate of Halong Bay
The current climate in Halong Bay features temperatures ranging from a high of 33°C to a low of 21°C throughout the year. The average yearly temperature is around 28°C. At night, temperatures in the colder months average around 15°C and in the warmer months around 27°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 Halong Bay, Vietnam.
Temperature records
The highest temperature recorded in Halong Bay in recent years was 41°C in June 2017. The lowest daytime temperature recorded was 6°C in January 2016.
Rainfall amount
On average, Halong Bay receives 1884 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
The typhoon season in Halong Bay runs from June to November.
Curious about the weather in other parts of Vietnam? Check out the climate and weather for spots like Hanoi, Ho Chi Minh City, Hội An, or explore other destinations in Vietnam.
Best time to visit Halong Bay?
The best time to visit Halong Bay for sunny weather is January through April, November and December. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Halong Bay. 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.
Climate Table of Halong Bay
The climate table of Halong Bay 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) | 21 | 22 | 24 | 27 | 31 | 33 | 33 | 32 | 32 | 30 | 27 | 23 |
| Temp. min (°C) | 16 | 17 | 20 | 23 | 26 | 28 | 27 | 27 | 26 | 24 | 21 | 17 |
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| Precipitation (mm) | 51 | 44 | 45 | 92 | 141 | 247 | 299 | 454 | 302 | 139 | 50 | 20 |
| UV Index | 5 | 5 | 6 | 7 | 8 | 7 | 7 | 7 | 7 | 7 | 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 Halong Bay, Vietnam. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Halong Bay
Yearly Temperature in Halong Bay
Precipitation charts
These charts show the average amount of precipitation in Halong Bay, 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 Halong Bay
Total Yearly Precipitation in Halong Bay
UV index chart
This chart shows the average UV index per month in Halong Bay, 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 Halong Bay
Weather experiences in Halong Bay
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Average weather in Halong Bay by month
Click on a month below to see detailed weather info for Halong Bay. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.