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Osogbo, Nigeria climate
As Tropical savanna (dry summer)
Osogbo has a remarkably steady tropical climate (Tropical savanna (dry summer), Köppen As). The hottest month is March with an average daily high near 32°C, while the coldest is August averaging around 21°C at night. Precipitation totals about 1425 mm a year and is strongly seasonal — September alone averages 226 mm while December barely receives 10 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)Osogbo climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 33 | 32 | 31 | 30 | 28 | 27 | 27 | 28 | 29 | 30 | 30 |
| Avg temp (°C) | 25 | 27 | 27 | 27 | 26 | 25 | 24 | 24 | 25 | 25 | 25 | 25 |
| Avg low (°C) | 18 | 21 | 23 | 23 | 23 | 22 | 21 | 21 | 21 | 22 | 21 | 19 |
| Precipitation (mm) | 14 | 29 | 75 | 100 | 156 | 197 | 196 | 194 | 226 | 182 | 45 | 10 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 33 | 32 | 31 | 30 | 28 |
| Avg temp (°C) | 25 | 27 | 27 | 27 | 26 | 25 |
| Avg low (°C) | 18 | 21 | 23 | 23 | 23 | 22 |
| Precipitation (mm) | 14 | 29 | 75 | 100 | 156 | 197 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 27 | 27 | 28 | 29 | 30 | 30 |
| Avg temp (°C) | 24 | 24 | 25 | 25 | 25 | 25 |
| Avg low (°C) | 21 | 21 | 21 | 22 | 21 | 19 |
| Precipitation (mm) | 196 | 194 | 226 | 182 | 45 | 10 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 9 | 16 | 13 | 5 | 1 | — | 0.0 | — | — | 0.1 | 1 | 3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 9 | 16 | 13 | 5 | 1 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 0.0 | — | — | 0.1 | 1 | 3 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 39 | 52 | 70 | 75 | 75 | 76 | 84 | 85 | 85 | 76 | 52 | 37 |
| Relative humidity (%) | 65 | 68 | 77 | 83 | 87 | 88 | 89 | 89 | 89 | 87 | 79 | 69 |
| Wind speed (mph) | 3.4 | 3.9 | 4.6 | 4.8 | 4.2 | 4.2 | 4.9 | 5.1 | 3.6 | 2.9 | 2.6 | 2.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 39 | 52 | 70 | 75 | 75 | 76 |
| Relative humidity (%) | 65 | 68 | 77 | 83 | 87 | 88 |
| Wind speed (mph) | 3.4 | 3.9 | 4.6 | 4.8 | 4.2 | 4.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 84 | 85 | 85 | 76 | 52 | 37 |
| Relative humidity (%) | 89 | 89 | 89 | 87 | 79 | 69 |
| Wind speed (mph) | 4.9 | 5.1 | 3.6 | 2.9 | 2.6 | 2.9 |
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.