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Alor Setar, Malaysia climate
Am Tropical monsoon
Alor Setar has a remarkably steady tropical climate (Tropical monsoon, Köppen Am). The hottest month is April with an average daily high near 94°F, while the coldest is December averaging around 75°F at night. Precipitation totals about 92 inches a year and is strongly seasonal — October alone averages 13.3 inches while February barely receives 1.38 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)Alor Setar climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 91 | 94 | 95 | 94 | 92 | 91 | 90 | 90 | 89 | 89 | 89 | 89 |
| Avg temp (°F) | 83 | 84 | 85 | 85 | 84 | 83 | 83 | 82 | 82 | 82 | 82 | 82 |
| Avg low (°F) | 74 | 74 | 75 | 76 | 76 | 76 | 75 | 75 | 75 | 75 | 75 | 75 |
| Precipitation (in) | 2.1 | 1.4 | 5.4 | 8.3 | 8.5 | 7.5 | 9.0 | 10.9 | 12.8 | 13.3 | 8.8 | 4.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 91 | 94 | 95 | 94 | 92 | 91 |
| Avg temp (°F) | 83 | 84 | 85 | 85 | 84 | 83 |
| Avg low (°F) | 74 | 74 | 75 | 76 | 76 | 76 |
| Precipitation (in) | 2.1 | 1.4 | 5.4 | 8.3 | 8.5 | 7.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 90 | 90 | 89 | 89 | 89 | 89 |
| Avg temp (°F) | 83 | 82 | 82 | 82 | 82 | 82 |
| Avg low (°F) | 75 | 75 | 75 | 75 | 75 | 75 |
| Precipitation (in) | 9.0 | 10.9 | 12.8 | 13.3 | 8.8 | 4.5 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 65 | 59 | 63 | 72 | 84 | 84 | 85 | 86 | 88 | 88 | 86 | 80 |
| Relative humidity (%) | 80 | 77 | 76 | 78 | 81 | 82 | 82 | 82 | 83 | 85 | 86 | 85 |
| Wind speed (mph) | 7.5 | 6.8 | 5.5 | 4.4 | 4.5 | 5.0 | 5.2 | 5.5 | 5.4 | 5.2 | 5.9 | 7.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 65 | 59 | 63 | 72 | 84 | 84 |
| Relative humidity (%) | 80 | 77 | 76 | 78 | 81 | 82 |
| Wind speed (mph) | 7.5 | 6.8 | 5.5 | 4.4 | 4.5 | 5.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 85 | 86 | 88 | 88 | 86 | 80 |
| Relative humidity (%) | 82 | 82 | 83 | 85 | 86 | 85 |
| Wind speed (mph) | 5.2 | 5.5 | 5.4 | 5.2 | 5.9 | 7.2 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 25 years of daily observations at Khoun Khan, a weather station, about 68 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.