Bandar Seri Begawan, Brunei Climate & Monthly Averages
The climate of Bandar Seri Begawan
Bandar Seri Begawan has a tropical rainforest climate, marked by steady heat, high humidity and frequent downpours in every month. Average daytime highs range from about 84°F (29°C) in January to around 87°F (31°C) in May, and the city records roughly 298 days of measurable precipitation a year.
Climate quick facts
- Hottest month: May - highs near 87°F (31°C)
- Coldest month: January - highs near 84°F (29°C)
- Record high: 93°F (34°C) · Record low: 69°F (21°C) (2015–2024)
- Wettest month: December (28 rainy days) · Sunniest: April (9.9 h sun/day)
- Climate type: tropical rainforest - steady heat, high humidity and frequent downpours in every month
Temperatures through the year
The warmest stretch of the year centers on May. Highs average 87°F (31°C) and overnight lows stay near 77°F (25°C). The coolest month is January, with typical highs of 84°F (29°C) and lows around 75°F (24°C). Based on 2015–2024 weather data, temperatures have reached as high as 93°F (34°C) and dropped as low as 69°F (21°C).
Rain, sun and snow
December is usually the wettest month. It brings about 13.5 inches (343 mm) of rain over 28 days, while February is the driest. April brings the most sunshine, averaging 9.9 hours of sun a day.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 84° | 75° | 27 | 12.5 in | 8.6 h/day | 89% |
| February | 85° | 75° | 21 | 7.1 in | 9.5 h/day | 87% |
| March | 86° | 76° | 25 | 8.4 in | 9.5 h/day | 86% |
| April | 87° | 76° | 26 | 9.3 in | 9.9 h/day | 86% |
| May | 87° | 77° | 26 | 12.4 in | 9.2 h/day | 87% |
| June | 86° | 76° | 23 | 10.0 in | 9.2 h/day | 87% |
| July | 87° | 76° | 21 | 10.1 in | 9.4 h/day | 86% |
| August | 87° | 76° | 23 | 10.8 in | 9.3 h/day | 86% |
| September | 86° | 75° | 23 | 10.1 in | 8.9 h/day | 86% |
| October | 86° | 75° | 27 | 13.4 in | 8.8 h/day | 88% |
| November | 85° | 75° | 28 | 13.4 in | 9.1 h/day | 89% |
| December | 85° | 75° | 28 | 13.5 in | 8.6 h/day | 89% |
Bandar Seri Begawan month by month
Bandar Seri Begawan weather in January
January brings highs around 84°F (29°C), lows near 75°F (24°C), about 27 wet days - typically the coldest month of the year in Bandar Seri Begawan.
Bandar Seri Begawan weather in February
February brings highs around 85°F (29°C), lows near 75°F (24°C), about 21 wet days - typically the driest month of the year in Bandar Seri Begawan.
Bandar Seri Begawan weather in March
March brings highs around 86°F (30°C), lows near 76°F (24°C), about 25 wet days.
Bandar Seri Begawan weather in April
April brings highs around 87°F (31°C), lows near 76°F (24°C), about 26 wet days - typically the sunniest month of the year in Bandar Seri Begawan.
Bandar Seri Begawan weather in May
May brings highs around 87°F (31°C), lows near 77°F (25°C), about 26 wet days - typically the hottest month of the year in Bandar Seri Begawan.
Bandar Seri Begawan weather in June
June brings highs around 86°F (30°C), lows near 76°F (24°C), about 23 wet days.
Bandar Seri Begawan weather in July
July brings highs around 87°F (30°C), lows near 76°F (24°C), about 21 wet days.
Bandar Seri Begawan weather in August
August brings highs around 87°F (30°C), lows near 76°F (24°C), about 23 wet days.
Bandar Seri Begawan weather in September
September brings highs around 86°F (30°C), lows near 75°F (24°C), about 23 wet days.
Bandar Seri Begawan weather in October
October brings highs around 86°F (30°C), lows near 75°F (24°C), about 27 wet days.
Bandar Seri Begawan weather in November
November brings highs around 85°F (30°C), lows near 75°F (24°C), about 28 wet days.
Bandar Seri Begawan weather in December
December brings highs around 85°F (29°C), lows near 75°F (24°C), about 28 wet days - typically the wettest month of the year in Bandar Seri Begawan.
Seasons in Bandar Seri Begawan
March through May
March through May in Bandar Seri Begawan is hot, with daytime highs averaging 87°F (30°C) and nights around 76°F (24°C); expect showers on roughly 77 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
June through August
June through August in Bandar Seri Begawan runs hot, with daytime highs averaging 87°F (30°C) and nights around 76°F (24°C); expect showers on roughly 67 days across the season.
September through November
September through November in Bandar Seri Begawan runs hot, with daytime highs averaging 86°F (30°C) and nights around 75°F (24°C); expect showers on roughly 78 days across the season.
December through February
December through February in Bandar Seri Begawan is hot, with daytime highs averaging 85°F (29°C) and nights around 75°F (24°C); expect showers on roughly 76 days across the season.
Climate questions, answered
What is the average temperature in Bandar Seri Begawan?
Is Bandar Seri Begawan hot in summer?
Is Bandar Seri Begawan cold in winter?
How many rainy days does Bandar Seri Begawan get in a year?
Best time to visit Bandar Seri Begawan
The best time to visit Bandar Seri Begawan is generally January to June, when these months combine the driest skies with the most comfortable heat. Daytime temperatures in that window typically sit near 86°F (30°C).
Pack for Bandar Seri Begawan with lightweight, breathable clothing and strong sun protection for the hot months; a compact umbrella or rain shell - showers are a regular feature; moisture-wicking fabrics to cope with the humidity. Evenings can feel noticeably cooler than afternoons - May nights average 77°F (25°C).
Bandar Seri Begawan temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.