Average annual temperature is 26.5 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: 17.8 °C
Number of sunny days: 85 days
Number of rainy days: 280 days
Look at detailed online map of Oniorosun
* Weather data for Oniorosun Nigeria is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 36.0 | 38.1 | 36.8 | 36.2 | 34.3 | 33.5 | 32.1 | 32.2 | 33.6 | 33.4 | 34.8 | 37.0 |
| Average daytime temperature (°C) | 34.6 | 35.8 | 34.3 | 33.3 | 32.7 | 30.6 | 29.9 | 29.7 | 30.1 | 31.4 | 32.9 | 35.1 |
| Average temperature (°C) | 26.9 | 28.1 | 27.7 | 27.5 | 27.1 | 25.4 | 25.2 | 25.2 | 25.2 | 26.0 | 26.9 | 27.3 |
| Average night temperature (°C) | 22.0 | 23.6 | 23.8 | 24.1 | 23.8 | 22.7 | 22.7 | 22.5 | 22.5 | 22.9 | 23.2 | 22.0 |
| Absolute minimum temperature (°C) | 17.8 | 19.2 | 22.3 | 22.8 | 21.7 | 21.5 | 21.8 | 21.6 | 21.1 | 21.3 | 21.1 | 19.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 | 12.5 | 12.3 | 12.2 | 12.0 | 11.8 | 11.7 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.2 | 9.6 | 8.5 | 8.4 | 8.5 | 7.2 | 7.8 | 7.2 | 7.0 | 8.4 | 9.3 | 9.9 |
| Precipitation (mm) | 15 | 11 | 105 | 78 | 107 | 213 | 218 | 179 | 226 | 139 | 28 | 7 |
| Sunny days | 19 | 15 | 6 | 4 | 2 | 2 | 0 | 0 | 1 | 1 | 8 | 27 |
| Rainy days | 12 | 13 | 25 | 26 | 29 | 28 | 31 | 31 | 29 | 30 | 22 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Oniorosun is at