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Wau, South Sudan climate
As Tropical savanna (dry summer)
Wau has a mildly seasonal tropical climate (Tropical savanna (dry summer), Köppen As). The hottest month is March with an average daily high near 104°F, while the coldest is August averaging around 70°F at night. Precipitation totals about 41 inches a year and is strongly seasonal — August alone averages 7.8 inches while January barely receives 0.02 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)Wau climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 99 | 103 | 104 | 100 | 94 | 89 | 86 | 85 | 87 | 89 | 93 | 97 |
| Avg temp (°F) | 84 | 88 | 90 | 88 | 84 | 81 | 78 | 78 | 79 | 80 | 82 | 83 |
| Avg low (°F) | 68 | 72 | 76 | 76 | 74 | 72 | 71 | 70 | 71 | 72 | 70 | 68 |
| Precipitation (in) | 0.0 | 0.1 | 0.9 | 2.5 | 4.9 | 5.2 | 6.8 | 7.8 | 6.4 | 5.1 | 0.8 | 0.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 99 | 103 | 104 | 100 | 94 | 89 |
| Avg temp (°F) | 84 | 88 | 90 | 88 | 84 | 81 |
| Avg low (°F) | 68 | 72 | 76 | 76 | 74 | 72 |
| Precipitation (in) | 0.0 | 0.1 | 0.9 | 2.5 | 4.9 | 5.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 86 | 85 | 87 | 89 | 93 | 97 |
| Avg temp (°F) | 78 | 78 | 79 | 80 | 82 | 83 |
| Avg low (°F) | 71 | 70 | 71 | 72 | 70 | 68 |
| Precipitation (in) | 6.8 | 7.8 | 6.4 | 5.1 | 0.8 | 0.0 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with high ≥ 90°F (days) | 30 | 28 | 30 | 28 | 23 | 10 | 5 | 3 | 4 | 9 | 21 | 29 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with high ≥ 90°F (days) | 30 | 28 | 30 | 28 | 23 | 10 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with high ≥ 90°F (days) | 5 | 3 | 4 | 9 | 21 | 29 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 35 | 45 | 66 | 75 | 74 | 69 | 74 | 75 | 68 | 66 | 45 | 30 |
| Relative humidity (%) | 23 | 19 | 27 | 49 | 66 | 74 | 79 | 81 | 78 | 75 | 59 | 37 |
| Wind speed (mph) | 6.7 | 6.9 | 6.1 | 5.3 | 4.5 | 3.9 | 3.6 | 3.2 | 2.6 | 2.8 | 3.9 | 5.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 35 | 45 | 66 | 75 | 74 | 69 |
| Relative humidity (%) | 23 | 19 | 27 | 49 | 66 | 74 |
| Wind speed (mph) | 6.7 | 6.9 | 6.1 | 5.3 | 4.5 | 3.9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 74 | 75 | 68 | 66 | 45 | 30 |
| Relative humidity (%) | 79 | 81 | 78 | 75 | 59 | 37 |
| Wind speed (mph) | 3.6 | 3.2 | 2.6 | 2.8 | 3.9 | 5.5 |
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.