Bandar Seri Begawan Weather in December
December in Bandar Seri Begawan sees daytime temperatures around 31°C (88°F) and lows of 24°C (75°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.
Rainfall in Bandar Seri Begawan in December
As part of the rainy season, Bandar Seri Begawan sees around 23 days of rain in December, with an average of 244 mm (9.6 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.
Temperature in Bandar Seri Begawan in December
December in Bandar Seri Begawan brings typical temperatures with highs around 31°C (88°F) and lows of 24°C (75°F). It's usually most comfortable outside during the morning and later in the day. Nights are warm at 24°C (75°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Bandar Seri Begawan in December
The days are predominantly sunny, with an estimated total of around 211 hours of sunshine. Rain is often only seen in the afternoon or evening, leaving clear skies for most of the day. This results in rainy months that still feel bright and are suitable for travel.
Wind Speed in Bandar Seri Begawan in December
December has wind speeds averaging 1 m/s (2 knots). You can expect very gentle conditions with light air movement on typical days. Since this is an average, daily weather varies from perfectly still moments to some breezier days.Our weather planner can help you find worldwide destinations with pleasant weather during this period. February and March typically offer the best weather for Bandar Seri Begawan.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brunei Darussalam, check out our Bandar Seri Begawan's climate page.
Bandar Seri Begawan Temperature in December
Daily Historical Temperatures
49-year average (1977-2025)
Based on our historical records, temperatures in Bandar Seri Begawan typically stay consistent throughout December, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in December
Daily Historical Precipitation
49-year average (1977-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Bandar Seri Begawan in December
Browse day-by-day weather records for Bandar Seri Begawan spanning 50 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bandar Seri Begawan historical weather extremes in December
Based on weather observations in Bandar Seri Begawan between 1981 and 2025, these are the recorded extremes during December.
- The hottest December day on record in Bandar Seri Begawan reached 39°C (102°F) (December 20, 1999).
- On December 30, 2014, Bandar Seri Begawan saw its coldest December day with temperatures maxing out at 25°C (77°F).
- Bandar Seri Begawan registered its coldest December night on December 31, 1986, with temperatures dropping to 20°C (68°F).
Best Places in Brunei Darussalam in December
Find out more about the weather in Brunei Darussalam and which places have the best travel conditions in this month. See all of Brunei Darussalam in December →
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What to Wear in Bandar Seri Begawan in December
Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Bandar Seri Begawan in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brunei Darussalam, check out our Bandar Seri Begawan's climate page.
Temperature Rainfall Sunshine Wind Speed
See the full Bandar Seri Begawan climate overview or explore weather in Brunei Darussalam.