The weather in December in Halong Bay

It's warm in December in Halong Bay with an average temperature of 23°C. Temperatures this month range from a low of 20°C to a high of 24°C. At night, you can expect temperatures between 15°C and 19°C.

Looking for great weather? December is a good time to be in Halong Bay. The temperatures are nice, and there’s little chance of rain this month.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Halong Bay, Vietnam. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 30°C in 2018, Halong Bay reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 11°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 8°C to a highest value of 24°C.

Rainfall amount

In December, there is an average of 20 mm of precipitation, spread over 6 days. The wind speed is around 3 Bft, mostly coming from the East.

Daily weather in December for Halong Bay

Click on any day in December to get detailed info about the usual weather on that day in Halong Bay. Check out the historical temperatures and precipitation over the past 10 years on this day.

December weather comparison

  Halong Bay New York
Average temperature 23°C 9°C
Max. temperature 24°C 12°C
Min. temperature 15°C -5°C
Total precipitation 20 mm 133 mm
Rainy days 6 days 17 days

Start of December

The month of December starts in Halong Bay with warm temps, averaging around 24°C during the day and nights around 18°C.

Mid December

By mid-December, daytime temps drop to around 23°C, with nights around 17°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

End of December

By the end of December, the average daytime temperature in Halong Bay is around 22°C, while nighttime temps are about 17°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

UV index

The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

The typhoon season in Halong Bay runs from June to November.

Check out the climate of Halong Bay for all months and discover the best travel time

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.

Temperature charts

These charts show the average temperatures in December in Halong Bay, Vietnam. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in December in Halong Bay

Temperature in December in Halong Bay over the years

Precipitation charts

These charts show the average amount of precipitation in December 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.

Daily Precipitation in December in Halong Bay

Total precipitation in December in Halong Bay over the years

Daily UV index in December in Halong Bay

This chart shows the average daily UV index in December in Halong Bay, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in December in Halong Bay

Have you been to Halong Bay in December?

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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.