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Brunei weather in December 2025
Expect daytime maximum temperatures of 31°C in Brunei in December and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 23 days with some rainfall and typically 352 mm of rainfall in the month.
- 31°C max day temperature
31 - 7 hours of sunshine per day
- 23 days with some rainfall
23 - 23°C min night temperature
23 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 352 mm of monthly rainfall
352 - 11 (Extreme) UV index
11 - 29°C sea temperature
29
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The December weather guide for Brunei (Bandar Seri Begawan) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
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Below are average maximum temperatures at popular countries, regions and places in Brunei in December. Select a holiday destination to see more weather parameters.
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Metric (°C / mm) | Imperial (°F / inches)
How hot is it in Brunei in December?
Daytime temperatures usually reach 31°C in Bandar Seri Begawan, Brunei in December with very high heat and humidity, falling to 23°C at night.
How sunny is it in Brunei in December?
There are normally 7 hours of bright sunshine each day in Bandar Seri Begawan, Brunei in December - that's 57% of daylight hours.
How warm is the sea around Brunei in December?
The average sea temperature around Bandar Seri Begawan, Brunei in December is 29°C.
Does it rain in Brunei in December?
There are usually 23 days with some rain in Bandar Seri Begawan, Brunei in December and the average monthly rainfall is 352mm.
What is the chance of a typhoon in Brunei in December?
On average less than 1 day in December in Bandar Seri Begawan, Brunei is likely to be affected by the passage of one or more tropical storms.
Brunei December sunrise & sunset times
Browse the sunrise and sunset times for Brunei in December 2025. Select a month to view Brunei sunrise and sunset times for the next 12 months. The Brunei sunrise and sunset times shown below are for Bandar Seri Begawan.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st December 2025 | 06:13 | 18:05 |
| Tuesday, 16th December 2025 | 06:20 | 18:11 |
| Wednesday, 31st December 2025 | 06:28 | 18:19 |
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