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Kuala Belait, Brunei climate
Af Tropical rainforest
Kuala Belait has a remarkably steady tropical climate (Tropical rainforest, Köppen Af). The hottest month is May with an average daily high near 32°C, while the coldest is January averaging around 23°C at night. Around 2747 mm of precipitation falls each year, peaking in December (368 mm) and easing off in February (151 mm).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Kuala Belait climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 30 | 31 | 32 | 32 | 32 | 31 | 32 | 31 | 31 | 31 | 31 |
| Avg temp (°C) | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 |
| Avg low (°C) | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Precipitation (mm) | 278 | 151 | 154 | 188 | 205 | 207 | 194 | 213 | 211 | 300 | 278 | 368 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 30 | 31 | 32 | 32 | 32 |
| Avg temp (°C) | 27 | 27 | 27 | 28 | 28 | 28 |
| Avg low (°C) | 23 | 24 | 24 | 24 | 24 | 24 |
| Precipitation (mm) | 278 | 151 | 154 | 188 | 205 | 207 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 32 | 31 | 31 | 31 | 31 |
| Avg temp (°C) | 28 | 28 | 27 | 27 | 27 | 27 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 24 |
| Precipitation (mm) | 194 | 213 | 211 | 300 | 278 | 368 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 82 | 79 | 72 | 75 | 79 | 81 | 82 | 83 | 86 | 88 | 89 | 88 |
| Relative humidity (%) | 84 | 85 | 83 | 81 | 79 | 79 | 79 | 79 | 80 | 82 | 82 | 83 |
| Wind speed (m/s) | 3.9 | 3.9 | 3.1 | 2.4 | 2.2 | 2.5 | 2.7 | 2.9 | 2.8 | 2.9 | 2.8 | 3.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 82 | 79 | 72 | 75 | 79 | 81 |
| Relative humidity (%) | 84 | 85 | 83 | 81 | 79 | 79 |
| Wind speed (m/s) | 3.9 | 3.9 | 3.1 | 2.4 | 2.2 | 2.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 82 | 83 | 86 | 88 | 89 | 88 |
| Relative humidity (%) | 79 | 79 | 80 | 82 | 82 | 83 |
| Wind speed (m/s) | 2.7 | 2.9 | 2.8 | 2.9 | 2.8 | 3.3 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Miri, a weather station, about 40 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.