City break

Bandar Seri Begawan weather in May

Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

37

Holiday weather in May

Poor

Best time to visit: July, September – March

What is the weather like in Bandar Seri Begawan in May?

In May, Bandar Seri Begawan is hot: daytime highs average 31 °C, and even at night it stays warm at around 25 °C. The sea averages 30.4 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 23 days, totalling 182 mm. On about 22 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is not an ideal month for a holiday in Bandar Seri Begawan.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score383738
Day30°31°30°
Night25°25°25°
Sea30°30°30°
Sun6 h6 h6 h
Rain days242320

More details for May

Daylight
12 h 20 min06:06 – 18:26
UV index
13 · extremeclear sky, noon (estimate)All months
Muggy days
31 daysdew point 18 °C or moreAll months
Wind
9 km/haverage daily peakAll months
Cloud cover
84 %on averageAll months
Hot days
22 days30 °C or moreAll months
Time zone
UTC+8Asia/Brunei

How the score comes together

  • Temperatureweight 50 %56 %
  • Sunshineweight 20 %43 %
  • Few rainy daysweight 30 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in May

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • Insect repellent
  • Rain jacket or umbrella

Bandar Seri Begawan in May: quick answers

Is Bandar Seri Begawan hot in May?

Yes. In May, Bandar Seri Begawan is hot: daytime highs average 31 °C and nights stay around 25 °C. On about 22 days the thermometer climbs to 30 °C or more.

Can you swim in Bandar Seri Begawan in May?

Yes. In May the sea averages 30.4 °C – almost as warm as a bath.

Does it rain much in Bandar Seri Begawan in May?

It rains often – on about 23 days, adding up to 182 mm.

Bandar Seri Begawan month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences