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
In December, Cat Ba Island enjoys mild weather with temperatures ranging from 17.1°C to 20.4°C. Expect about 5.5 rainy days and 6.4 hours of sunshine daily, alongside moderate humidity.| 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 14 years ( 2010 to 2024).
December
2010
- 2010
- 2011
- 2012
- 2013
- 2014
- 2015
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
1 20.0°24.0° | 2 21.0°24.0° | 3 20.0°24.0° | 4 20.0°23.0° | 5 20.0°24.0° | ||
6 22.0°24.0° | 7 19.0°23.0° | 8 16.0°21.0° | 9 18.0°21.0° | 10 20.0°22.0° | 11 22.0°22.0° | 12 22.0°23.0° |
13 22.0°24.0° | 14 20.0°23.0° | 15 16.0°22.0° | 16 10.0°13.0° | 17 12.0°17.0° | 18 16.0°19.0° | 19 19.0°21.0° |
20 19.0°21.0° | 21 20.0°21.0° | 22 19.0°22.0° | 23 20.0°21.0° | 24 21.0°22.0° | 25 14.0°21.0° | 26 13.0°17.0° |
27 15.0°18.0° | 28 17.0°19.0° | 29 18.0°20.0° | 30 19.0°22.0° | 31 17.0°20.0° |
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 in Cat Ba Island is typically cool, with an average temperature of 18.7°C. Expect temperatures ranging from a low of 17.1°C (62.78°F) to a high of 20.4°C (68.72°F).
Is Cat Ba Island humid in December?
Yes, Cat Ba Island is humid in December, with levels averaging around 72.5%. Humidity rarely drops below 40.0%, so be prepared for a moist climate.
Does it rain often in Cat Ba Island in December?
No, it rarely rains in Cat Ba Island in December. The island experiences about 5.5 rainy days with an average precipitation of 22.8mm (0.9").
How many hours of daylight are there in December in Cat Ba Island?
In December, Cat Ba Island enjoys an average of 10.9 hours of daylight, making it a wonderful time to explore the island's beauty.
How long is the sun out per day in Cat Ba Island in December?
The average sunshine on Cat Ba Island in December is approximately 6.4 hours per day.
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