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Miri, Malaysia climate
Af Tropical rainforest
Miri has a remarkably steady tropical climate (Tropical rainforest, Köppen Af). The hottest month is May with an average daily high near 89°F, while the coldest is January averaging around 74°F at night. Around 108 inches of precipitation falls each year, peaking in December (14.5 inches) and easing off in February (5.9 inches).
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)Miri climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 87 | 87 | 88 | 89 | 89 | 89 | 89 | 89 | 88 | 88 | 87 | 87 |
| Avg temp (°F) | 80 | 81 | 81 | 82 | 82 | 82 | 82 | 82 | 81 | 81 | 81 | 81 |
| Avg low (°F) | 74 | 74 | 75 | 75 | 75 | 75 | 74 | 75 | 75 | 75 | 75 | 75 |
| Precipitation (in) | 10.9 | 5.9 | 6.1 | 7.4 | 8.1 | 8.2 | 7.6 | 8.4 | 8.3 | 11.8 | 10.9 | 14.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 87 | 87 | 88 | 89 | 89 | 89 |
| Avg temp (°F) | 80 | 81 | 81 | 82 | 82 | 82 |
| Avg low (°F) | 74 | 74 | 75 | 75 | 75 | 75 |
| Precipitation (in) | 10.9 | 5.9 | 6.1 | 7.4 | 8.1 | 8.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 89 | 89 | 88 | 88 | 87 | 87 |
| Avg temp (°F) | 82 | 82 | 81 | 81 | 81 | 81 |
| Avg low (°F) | 74 | 75 | 75 | 75 | 75 | 75 |
| Precipitation (in) | 7.6 | 8.4 | 8.3 | 11.8 | 10.9 | 14.5 |
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 (mph) | 8.8 | 8.7 | 7.0 | 5.4 | 5.0 | 5.6 | 6.1 | 6.5 | 6.2 | 6.6 | 6.2 | 7.3 |
| 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 (mph) | 8.8 | 8.7 | 7.0 | 5.4 | 5.0 | 5.6 |
| 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 (mph) | 6.1 | 6.5 | 6.2 | 6.6 | 6.2 | 7.3 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Miri, a weather station, about 9 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.