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Sumbe, Angola climate
BWh Hot desert
Sumbe has a mildly seasonal tropical climate (Hot desert, Köppen BWh). The hottest month is April with an average daily high near 31°C, while the coldest is August averaging around 19°C at night. Precipitation totals about 389 mm a year and is strongly seasonal — March alone averages 84 mm while July barely receives 0 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)Sumbe climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 30 | 30 | 31 | 31 | 29 | 27 | 26 | 27 | 29 | 29 | 29 |
| Avg temp (°C) | 27 | 28 | 28 | 28 | 27 | 25 | 23 | 23 | 24 | 26 | 26 | 27 |
| Avg low (°C) | 24 | 25 | 26 | 25 | 24 | 21 | 20 | 19 | 20 | 23 | 24 | 24 |
| Precipitation (mm) | 33 | 46 | 84 | 67 | 23 | 1 | 0 | 5 | 10 | 23 | 62 | 35 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 30 | 30 | 31 | 31 | 29 |
| Avg temp (°C) | 27 | 28 | 28 | 28 | 27 | 25 |
| Avg low (°C) | 24 | 25 | 26 | 25 | 24 | 21 |
| Precipitation (mm) | 33 | 46 | 84 | 67 | 23 | 1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 27 | 26 | 27 | 29 | 29 | 29 |
| Avg temp (°C) | 23 | 23 | 24 | 26 | 26 | 27 |
| Avg low (°C) | 20 | 19 | 20 | 23 | 24 | 24 |
| Precipitation (mm) | 0 | 5 | 10 | 23 | 62 | 35 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 0.4 | 2 | 3 | 6 | 8 | 0.7 | — | — | 0.0 | 0.2 | 0.2 | 0.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 0.4 | 2 | 3 | 6 | 8 | 0.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | — | — | 0.0 | 0.2 | 0.2 | 0.1 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 76 | 76 | 65 | 50 | 56 | 64 | 63 | 62 | 73 | 72 | 77 |
| Relative humidity (%) | 75 | 74 | 78 | 78 | 71 | 70 | 73 | 78 | 78 | 76 | 78 | 76 |
| Wind speed (mph) | 5.9 | 6.0 | 5.9 | 5.7 | 5.6 | 5.7 | 5.6 | 5.7 | 6.2 | 6.8 | 6.6 | 6.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 76 | 76 | 65 | 50 | 56 |
| Relative humidity (%) | 75 | 74 | 78 | 78 | 71 | 70 |
| Wind speed (mph) | 5.9 | 6.0 | 5.9 | 5.7 | 5.6 | 5.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 64 | 63 | 62 | 73 | 72 | 77 |
| Relative humidity (%) | 73 | 78 | 78 | 76 | 78 | 76 |
| Wind speed (mph) | 5.6 | 5.7 | 6.2 | 6.8 | 6.6 | 6.0 |
Methodology & sources
Temperature & precipitation — modelled for this location from ERA5-Land reanalysis, a ~9 km global grid, because no long-record weather station is close enough to use.
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.