Bandar Seri Begawan weather in December 2025

Expect daytime maximum temperatures of 88°F in Bandar Seri Begawan, 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 13.9 inches of rainfall in the month.

• 88
  88°F max day temperature
• 7
  7 hours of sunshine per day
• 23
  23 days with some rainfall
• 73
  73°F min night temperature
• 12
  12 hours of daylight per day
• VH
  Very High heat & humidity
• 13.9
  13.9 inches of monthly rainfall
• 11
  11 (Extreme) UV index
• 84
  84°F sea temperature

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Bandar Seri Begawan by month

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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.

Metric (°C)  |  Imperial (°F)

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Bandar Seri Begawan December sunrise & sunset times

Browse the sunrise and sunset times for Bandar Seri Begawan in December 2025. Select a month to view Bandar Seri Begawan sunrise and sunset times for the next 12 months.

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