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Geita, Tanzania climate
As Tropical savanna (dry summer)
Geita has a remarkably steady warm-temperate climate (Tropical savanna (dry summer), Köppen As). The hottest month is September with an average daily high near 89°F, while the coldest is July averaging around 60°F at night. Precipitation totals about 56 inches a year and is strongly seasonal — November alone averages 9.1 inches while July barely receives 0.30 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)Geita climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 82 | 83 | 83 | 81 | 83 | 84 | 85 | 87 | 89 | 87 | 82 | 81 |
| Avg temp (°F) | 73 | 74 | 74 | 73 | 73 | 72 | 72 | 75 | 77 | 77 | 74 | 73 |
| Avg low (°F) | 65 | 65 | 65 | 64 | 63 | 61 | 60 | 63 | 66 | 67 | 66 | 65 |
| Precipitation (in) | 6.2 | 4.6 | 6.8 | 7.2 | 2.5 | 0.6 | 0.3 | 1.4 | 3.0 | 6.0 | 9.1 | 8.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 82 | 83 | 83 | 81 | 83 | 84 |
| Avg temp (°F) | 73 | 74 | 74 | 73 | 73 | 72 |
| Avg low (°F) | 65 | 65 | 65 | 64 | 63 | 61 |
| Precipitation (in) | 6.2 | 4.6 | 6.8 | 7.2 | 2.5 | 0.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 85 | 87 | 89 | 87 | 82 | 81 |
| Avg temp (°F) | 72 | 75 | 77 | 77 | 74 | 73 |
| Avg low (°F) | 60 | 63 | 66 | 67 | 66 | 65 |
| Precipitation (in) | 0.3 | 1.4 | 3.0 | 6.0 | 9.1 | 8.4 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with high ≥ 90°F (days) | 2 | 3 | 2 | 0.5 | 0.5 | — | 0.0 | 2 | 12 | 12 | 2 | 2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with high ≥ 90°F (days) | 2 | 3 | 2 | 0.5 | 0.5 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with high ≥ 90°F (days) | 0.0 | 2 | 12 | 12 | 2 | 2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 69 | 68 | 69 | 71 | 59 | 43 | 34 | 44 | 58 | 71 | 76 | 71 |
| Relative humidity (%) | 71 | 70 | 73 | 76 | 69 | 58 | 50 | 46 | 48 | 58 | 71 | 73 |
| Wind speed (mph) | 3.1 | 3.2 | 3.3 | 4.0 | 5.0 | 5.5 | 6.3 | 6.5 | 5.9 | 5.1 | 3.8 | 3.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 69 | 68 | 69 | 71 | 59 | 43 |
| Relative humidity (%) | 71 | 70 | 73 | 76 | 69 | 58 |
| Wind speed (mph) | 3.1 | 3.2 | 3.3 | 4.0 | 5.0 | 5.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 34 | 44 | 58 | 71 | 76 | 71 |
| Relative humidity (%) | 50 | 46 | 48 | 58 | 71 | 73 |
| Wind speed (mph) | 6.3 | 6.5 | 5.9 | 5.1 | 3.8 | 3.3 |
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.