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Ambon, Indonesia climate
Af Tropical rainforest
Ambon has a remarkably steady tropical climate (Tropical rainforest, Köppen Af). The hottest month is December with an average daily high near 32°C, while the coldest is August averaging around 23°C at night. Precipitation totals about 2307 mm a year and is strongly seasonal — June alone averages 483 mm while November barely receives 69 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)Ambon climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 32 | 32 | 32 | 31 | 30 | 29 | 28 | 28 | 29 | 30 | 32 | 32 |
| Avg temp (°C) | 28 | 28 | 28 | 27 | 27 | 26 | 25 | 25 | 26 | 27 | 28 | 28 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 |
| Precipitation (mm) | 112 | 87 | 114 | 144 | 303 | 483 | 394 | 250 | 158 | 94 | 69 | 101 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 32 | 32 | 32 | 31 | 30 | 29 |
| Avg temp (°C) | 28 | 28 | 28 | 27 | 27 | 26 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 23 |
| Precipitation (mm) | 112 | 87 | 114 | 144 | 303 | 483 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 28 | 29 | 30 | 32 | 32 |
| Avg temp (°C) | 25 | 25 | 26 | 27 | 28 | 28 |
| Avg low (°C) | 23 | 23 | 23 | 23 | 24 | 24 |
| Precipitation (mm) | 394 | 250 | 158 | 94 | 69 | 101 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 79 | 81 | 76 | 75 | 70 | 75 | 79 | 73 | 69 | 65 | 66 | 77 |
| Relative humidity (%) | 85 | 85 | 84 | 85 | 88 | 89 | 89 | 87 | 86 | 84 | 81 | 83 |
| Wind speed (km/h) | 7.3 | 7.5 | 6.4 | 5.9 | 7.4 | 8.8 | 9.7 | 9.6 | 8.3 | 6.9 | 5.3 | 6.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 79 | 81 | 76 | 75 | 70 | 75 |
| Relative humidity (%) | 85 | 85 | 84 | 85 | 88 | 89 |
| Wind speed (km/h) | 7.3 | 7.5 | 6.4 | 5.9 | 7.4 | 8.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 79 | 73 | 69 | 65 | 66 | 77 |
| Relative humidity (%) | 89 | 87 | 86 | 84 | 81 | 83 |
| Wind speed (km/h) | 9.7 | 9.6 | 8.3 | 6.9 | 5.3 | 6.0 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 23 years of daily observations at Pattimura, a weather station, about 11 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.