Weather in Bandar Seri Begawan in December 2025
- December is usually the wettest month of the year in Bandar Seri Begawan;
Average weather
Average temperature in Bandar Seri Begawan in December
The expected average maximum temperature in December is +31°C with a maximum of +33°C and a minimum of +24°C.
The average maximum temperature goes up 11% by the end of the month, compared with the beginning of the month, from +30°C to +31°C.
Is Bandar Seri Begawan warm or cold in December?
Bandar Seri Begawan is typically warm in December.
Maximum temperatures go up compared to the previous month from +30°C to +30°C. The minimum temperature also goes up from +24°C to +24°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how December is compared to other months in Bandar Seri Begawan:
Climate in Bandar Seri Begawan in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +30°C | +30°C | +29°C | ||||
| Min. temperature | ||||||
| +22°C | +21°C | +21°C | ||||
| Max. temperature | ||||||
| +33°C | +33°C | +34°C | ||||
| Rainfall | ||||||
| 242 mm | 216 mm | 166 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 2 m/s | ||||
| Humidity | ||||||
| 85% | 85% | 85% | ||||
| Air pressure | ||||||
| 1008 HPa | 1008 HPa | 1009 HPa | ||||
| Sunny days | ||||||
| 0 | 0 | 0 | ||||
| Cloudy days | ||||||
| 1 | 2 | 5 | ||||
| Rainy days | ||||||
| 21 | 23 | 22 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
December weather is still as ok as in November. The temperature levels stay the same in the area of +30°C for average maximum temperature during the day. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 242 mm to 216 mm. Humidity levels don’t change as the month goes on, averaging around 85%. The average wind speed doesn’t change much during December, staying around 1 m/s. The amount of sunny days stay about the same, averaging 0 sunny days during the month.
January brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Bandar Seri Begawan is gradually increasing during December, going from 2 m/s to 2 m/s over the course of the month.
Rain
How was the weather last December in Bandar Seri Begawan?
Climate Change over Years
The climate in Bandar Seri Begawan in December has not changed much over the last 43 years.
The average temperature was the lowest in 1984 (+29°C) and the highest in 2019 (+31°C). The driest year was 2002 with only 1169 mm of rainfall, and the wettest year was 2008 with 3038 mm.
FAQ
Is December a good time to visit Bandar Seri Begawan?
Can you sunbathe in Bandar Seri Begawan in December?
Is Bandar Seri Begawan rainy in December?
Is it sunny in Bandar Seri Begawan in December?
Monthly weather in Bandar Seri Begawan
Source of the data
For this page, we’ve looked at the typical weather in Bandar Seri Begawan, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
