Halong Bay in December: Weather & climate information
What's the weather like in Halong Bay in December? See the historical monthly averages for temperature, rainfall and humidity.
December Averages
| Min Temperature | 14.8°C | Precipitation | 18.3mm |
| Max Temperature | 20.5°C | Rainy Days | 5.0 days |
| Humidity | 72.5% | Sunshine Hours | 6.5 hours |
Historical weather
December weather averages for Halong Bay in the last 10 years ( 2010 to 2020).
- 2010
- 2011
- 2012
- 2013
- 2014
- 2015
- 2016
- 2017
- 2018
- 2019
- 2020
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
1 18.0°24.0° | 2 14.0°17.0° | |||||
3 17.0°19.0° | 4 17.0°22.0° | 5 15.0°19.0° | 6 14.0°21.0° | 7 17.0°21.0° | 8 18.0°22.0° | 9 19.0°23.0° |
10 20.0°23.0° | 11 17.0°21.0° | 12 16.0°19.0° | 13 18.0°23.0° | 14 21.0°24.0° | 15 22.0°25.0° | 16 23.0°25.0° |
17 22.0°24.0° | 18 15.0°22.0° | 19 14.0°18.0° | 20 18.0°22.0° | 21 20.0°24.0° | 22 14.0°18.0° | 23 11.0°13.0° |
24 10.0°17.0° | 25 14.0°18.0° | 26 17.0°20.0° | 27 16.0°19.0° | 28 16.0°20.0° | 29 12.0°23.0° | 30 9.0°14.0° |
31 8.0°14.0° |
Temperature Graph (°C)
The average Halong Bay temperature during December is around 17.4°C (63.32°F).
| Month | High | Low | Changes |
| November | 25.1°C (77.18°F) | 19.1°C (66.38°F) | -2.9°C (26.78°F) |
| December* | 20.5°C (68.9°F) | 14.8°C (58.64°F) | -4.5°C (23.9°F) |
| January | 19.1°C (66.38°F) | 14.1°C (57.38°F) | -0.9°C (30.38°F) |
Humidity Graph (%)
The average humidity in December in Halong Bay is 72.5%, which is 4.0% lower than November and 6.4% lower than January.
Rainfall Graph (mm)
Average rainfall in December in Halong Bay: 18.3mm
| November | December* | January |
| 25.8mm (-7.5mm) | 18.3mm | 38.9mm (-20.6mm) |
Rain Days Graph
Average rain days in December in Halong Bay: 5.0 days
Daylight Graph
Average daylight in December in Halong Bay: 10.9h
Frequently asked questions
How is the weather in Halong Bay in December?
December is a relatively cold month in Halong Bay with an average temperature of 17.4°C. Halong Bay's temperature in December is between 14.8°C (58.64°F) - at the lowest and 20.5°C (68.9°F) - at the highest.
Is Halong Bay humid in December?
Yes, it is. The humidity of Halong Bay in December is around 72.5% and rarely falls below 39.0%.
Does it rain often in Halong Bay in December?
No, it does not. Halong Bay has only 5.0 rainy days in December with an approximate 18.3mm (0.72") of precipitation.
How many hours of daylight are there in December in Halong Bay?
In December, Halong Bay's average day-length is 10.9 hours.
How long is the sun out per day in Halong Bay in December?
The average sunshine hours of Halong Bay in December is 6.5 hours.
