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In Bandar Seri Begawan, May brings very high daytime temperatures around 33°C (91°F), with nights cooling to 25°C (77°F). This month falls within the rainy season, so expect frequent rainfall.
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.
Pick a month to see the average temperature, rainfall and sunshine in Bandar Seri Begawan - and find the best time to visit.
47-year average (1978-2025)
Based on our historical records, temperatures in Bandar Seri Begawan typically stay consistent throughout May, with daily highs averaging around 33°C (91°F). Nights are warm, with lows around 25°C (77°F).
47-year average (1978-2025)
Average daily rainfall for each day of the month based on long-term records.
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.
The extremes listed below come from historical weather data collected in Bandar Seri Begawan from 1981 through 2026.
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 May →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in May make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Wind Speed
See the full Bandar Seri Begawan climate overview or explore weather in Brunei Darussalam.
Where to go in May - average daytime high across popular destinations.
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