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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 32°C, while the coldest is July averaging around 15°C at night. Precipitation totals about 1425 mm a year and is strongly seasonal — November alone averages 230 mm while July barely receives 8 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)Geita climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 29 | 28 | 27 | 28 | 29 | 29 | 31 | 32 | 31 | 28 | 27 |
| Avg temp (°C) | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 24 | 25 | 25 | 23 | 23 |
| Avg low (°C) | 18 | 18 | 18 | 18 | 17 | 16 | 15 | 17 | 19 | 19 | 19 | 18 |
| Precipitation (mm) | 158 | 116 | 172 | 182 | 64 | 16 | 8 | 35 | 77 | 153 | 230 | 214 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 29 | 28 | 27 | 28 | 29 |
| Avg temp (°C) | 23 | 23 | 23 | 23 | 23 | 22 |
| Avg low (°C) | 18 | 18 | 18 | 18 | 17 | 16 |
| Precipitation (mm) | 158 | 116 | 172 | 182 | 64 | 16 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 31 | 32 | 31 | 28 | 27 |
| Avg temp (°C) | 22 | 24 | 25 | 25 | 23 | 23 |
| Avg low (°C) | 15 | 17 | 19 | 19 | 19 | 18 |
| Precipitation (mm) | 8 | 35 | 77 | 153 | 230 | 214 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (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 ≥ 32°C (days) | 2 | 3 | 2 | 0.5 | 0.5 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (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 (km/h) | 5.0 | 5.1 | 5.4 | 6.5 | 8.0 | 8.9 | 10.2 | 10.4 | 9.5 | 8.1 | 6.1 | 5.3 |
| 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 (km/h) | 5.0 | 5.1 | 5.4 | 6.5 | 8.0 | 8.9 |
| 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 (km/h) | 10.2 | 10.4 | 9.5 | 8.1 | 6.1 | 5.3 |
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.