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Benin City, Nigeria climate
Am Tropical monsoon
Benin City has a remarkably steady tropical climate (Tropical monsoon, Köppen Am). The hottest month is March with an average daily high near 31°C, while the coldest is August averaging around 22°C at night. Precipitation totals about 2477 mm a year and is strongly seasonal — September alone averages 336 mm while December barely receives 37 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)Benin City climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 31 | 31 | 30 | 29 | 28 | 28 | 28 | 28 | 29 | 30 | 30 |
| Avg temp (°C) | 25 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 25 |
| Avg low (°C) | 20 | 22 | 24 | 24 | 24 | 23 | 22 | 22 | 22 | 23 | 22 | 20 |
| Precipitation (mm) | 41 | 69 | 162 | 228 | 281 | 319 | 325 | 291 | 336 | 281 | 107 | 37 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 31 | 31 | 30 | 29 | 28 |
| Avg temp (°C) | 25 | 27 | 27 | 27 | 26 | 26 |
| Avg low (°C) | 20 | 22 | 24 | 24 | 24 | 23 |
| Precipitation (mm) | 41 | 69 | 162 | 228 | 281 | 319 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 28 | 28 | 29 | 30 | 30 |
| Avg temp (°C) | 25 | 25 | 25 | 26 | 26 | 25 |
| Avg low (°C) | 22 | 22 | 22 | 23 | 22 | 20 |
| Precipitation (mm) | 325 | 291 | 336 | 281 | 107 | 37 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 3 | 6 | 3 | 0.6 | 0.4 | — | — | — | — | — | 0.1 | 0.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 3 | 6 | 3 | 0.6 | 0.4 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | — | — | — | — | 0.1 | 0.7 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 43 | 58 | 74 | 78 | 76 | 78 | 85 | 84 | 85 | 76 | 55 | 39 |
| Relative humidity (%) | 75 | 80 | 87 | 90 | 91 | 92 | 91 | 91 | 92 | 91 | 87 | 78 |
| Wind speed (mph) | 1.9 | 1.9 | 1.9 | 1.9 | 1.8 | 2.1 | 2.4 | 2.5 | 2.1 | 1.7 | 1.4 | 1.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 43 | 58 | 74 | 78 | 76 | 78 |
| Relative humidity (%) | 75 | 80 | 87 | 90 | 91 | 92 |
| Wind speed (mph) | 1.9 | 1.9 | 1.9 | 1.9 | 1.8 | 2.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 85 | 84 | 85 | 76 | 55 | 39 |
| Relative humidity (%) | 91 | 91 | 92 | 91 | 87 | 78 |
| Wind speed (mph) | 2.4 | 2.5 | 2.1 | 1.7 | 1.4 | 1.7 |
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.