Cat Ba Island in December: Weather & climate information
What's the weather like in Cat Ba Island in December? See the historical monthly averages for temperature, rainfall and humidity.
Cat Ba Island, Halong Bay, Vietnam
December Averages
| Min Temperature | 17.1°C | Precipitation | 22.8mm |
| Max Temperature | 20.4°C | Rainy Days | 5.5 days |
| Humidity | 72.5% | Sunshine Hours | 6.4 hours |
Historical weather
December weather averages for Cat Ba Island 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°23.0° | ||||||
2 12.0°16.0° | 3 14.0°19.0° | 4 15.0°20.0° | 5 16.0°21.0° | 6 14.0°20.0° | 7 13.0°20.0° | 8 14.0°19.0° |
9 14.0°20.0° | 10 15.0°21.0° | 11 16.0°22.0° | 12 17.0°21.0° | 13 18.0°21.0° | 14 18.0°22.0° | 15 20.0°23.0° |
16 20.0°24.0° | 17 21.0°23.0° | 18 19.0°23.0° | 19 20.0°22.0° | 20 12.0°19.0° | 21 18.0°23.0° | 22 17.0°21.0° |
23 18.0°21.0° | 24 21.0°23.0° | 25 20.0°24.0° | 26 19.0°23.0° | 27 16.0°19.0° | 28 15.0°19.0° | 29 17.0°23.0° |
30 19.0°23.0° | 31 20.0°21.0° |
Temperature Graph (°C)
The average Cat Ba Island temperature during December is around 18.7°C (65.66°F).
| Month | High | Low | Changes |
| November | 24.6°C (76.28°F) | 21.2°C (70.16°F) | -2.8°C (26.96°F) |
| December* | 20.4°C (68.72°F) | 17.1°C (62.78°F) | -4.3°C (24.26°F) |
| January | 18.9°C (66.02°F) | 15.9°C (60.62°F) | -1.2°C (29.84°F) |
Humidity Graph (%)
The average humidity in December in Cat Ba Island is 72.5%, which is 3.7% lower than November and 7.3% lower than January.
Rainfall Graph (mm)
Average rainfall in December in Cat Ba Island: 22.8mm
| November | December* | January |
| 37.1mm (-14.3mm) | 22.8mm | 42.1mm (-19.3mm) |
Rain Days Graph
Average rain days in December in Cat Ba Island: 5.5 days
Daylight Graph
Average daylight in December in Cat Ba Island: 10.9h
Frequently asked questions
How is the weather in Cat Ba Island in December?
December is a relatively cold month in Cat Ba Island with an average temperature of 18.7°C. Cat Ba Island's temperature in December is between 17.1°C (62.78°F) - at the lowest and 20.4°C (68.72°F) - at the highest.
Is Cat Ba Island humid in December?
Yes, it is. The humidity of Cat Ba Island in December is around 72.5% and rarely falls below 40.0%.
Does it rain often in Cat Ba Island in December?
No, it does not. Cat Ba Island has only 5.5 rainy days in December with an approximate 22.8mm (0.9") of precipitation.
How many hours of daylight are there in December in Cat Ba Island?
In December, Cat Ba Island's average day-length is 10.9 hours.
How long is the sun out per day in Cat Ba Island in December?
The average sunshine hours of Cat Ba Island in December is 6.4 hours.
