Average annual temperature is 25.9 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: 16.7 °C
Number of sunny days: 152 days
Number of rainy days: 213 days
Look at detailed online map of Onisa
* Weather data for Onisa 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) | 35.1 | 36.7 | 37.1 | 35.0 | 33.6 | 31.7 | 31.3 | 31.9 | 31.7 | 33.7 | 34.3 | 34.3 |
| Average daytime temperature (°C) | 33.7 | 35.3 | 33.7 | 33.2 | 32.3 | 29.3 | 29.7 | 28.9 | 29.4 | 31.2 | 32.2 | 33.4 |
| Average temperature (°C) | 26.1 | 27.8 | 27.0 | 27.1 | 26.6 | 24.6 | 24.8 | 24.4 | 24.6 | 25.6 | 26.0 | 26.0 |
| Average night temperature (°C) | 19.7 | 21.8 | 22.7 | 23.1 | 23.0 | 21.9 | 22.0 | 21.9 | 21.8 | 22.2 | 21.9 | 19.8 |
| Absolute minimum temperature (°C) | 17.3 | 18.7 | 21.5 | 22.1 | 21.5 | 20.9 | 20.9 | 21.0 | 20.1 | 21.2 | 20.2 | 16.7 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 12.2 | 11.9 | 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) | 9.9 | 9.8 | 8.6 | 8.6 | 9.2 | 7.3 | 7.7 | 7.3 | 6.9 | 8.8 | 9.0 | 10.6 |
| Precipitation (mm) | 0 | 1 | 40 | 22 | 47 | 179 | 142 | 159 | 152 | 79 | 53 | 0 |
| Sunny days | 30 | 27 | 13 | 15 | 4 | 1 | 0 | 0 | 3 | 13 | 15 | 31 |
| Rainy days | 1 | 1 | 18 | 15 | 27 | 29 | 31 | 31 | 27 | 18 | 15 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Onisa is at