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Ilorin, Nigeria climate
As Tropical savanna (dry summer)
Ilorin has a remarkably steady tropical climate (Tropical savanna (dry summer), Köppen As). The hottest month is March with an average daily high near 34°C, while the coldest is August averaging around 21°C at night. Precipitation totals about 872 mm a year and is strongly seasonal — September alone averages 169 mm while December barely receives 1 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)Ilorin climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 33 | 34 | 34 | 32 | 31 | 29 | 28 | 28 | 28 | 29 | 31 | 32 |
| Avg temp (°C) | 25 | 28 | 28 | 28 | 27 | 26 | 25 | 24 | 25 | 25 | 26 | 25 |
| Avg low (°C) | 18 | 21 | 23 | 23 | 23 | 22 | 21 | 21 | 21 | 22 | 20 | 18 |
| Precipitation (mm) | 3 | 5 | 24 | 54 | 94 | 125 | 140 | 164 | 169 | 86 | 7 | 1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 33 | 34 | 34 | 32 | 31 | 29 |
| Avg temp (°C) | 25 | 28 | 28 | 28 | 27 | 26 |
| Avg low (°C) | 18 | 21 | 23 | 23 | 23 | 22 |
| Precipitation (mm) | 3 | 5 | 24 | 54 | 94 | 125 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 28 | 28 | 29 | 31 | 32 |
| Avg temp (°C) | 25 | 24 | 25 | 25 | 26 | 25 |
| Avg low (°C) | 21 | 21 | 21 | 22 | 20 | 18 |
| Precipitation (mm) | 140 | 164 | 169 | 86 | 7 | 1 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 18 | 23 | 23 | 16 | 7 | 0.8 | 0.2 | — | — | 0.8 | 8 | 14 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 18 | 23 | 23 | 16 | 7 | 0.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 0.2 | — | — | 0.8 | 8 | 14 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 32 | 43 | 62 | 72 | 71 | 70 | 81 | 83 | 80 | 68 | 41 | 30 |
| Relative humidity (%) | 55 | 57 | 68 | 77 | 82 | 85 | 86 | 87 | 87 | 84 | 72 | 60 |
| Wind speed (m/s) | 1.8 | 2.1 | 2.5 | 2.6 | 2.2 | 2.1 | 2.3 | 2.4 | 1.7 | 1.4 | 1.3 | 1.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 32 | 43 | 62 | 72 | 71 | 70 |
| Relative humidity (%) | 55 | 57 | 68 | 77 | 82 | 85 |
| Wind speed (m/s) | 1.8 | 2.1 | 2.5 | 2.6 | 2.2 | 2.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 81 | 83 | 80 | 68 | 41 | 30 |
| Relative humidity (%) | 86 | 87 | 87 | 84 | 72 | 60 |
| Wind speed (m/s) | 2.3 | 2.4 | 1.7 | 1.4 | 1.3 | 1.5 |
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.