Average annual temperature is 26.2 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: 16.9 °C
Number of sunny days: 155 days
Number of rainy days: 210 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) | 36.0 | 37.1 | 37.1 | 36.1 | 34.3 | 32.6 | 30.9 | 30.8 | 31.4 | 33.0 | 34.5 | 35.8 |
| Average daytime temperature (°C) | 34.5 | 35.6 | 34.7 | 33.5 | 32.9 | 29.8 | 29.3 | 28.7 | 29.2 | 31.0 | 32.7 | 34.6 |
| Average temperature (°C) | 26.6 | 28.0 | 27.7 | 27.6 | 27.1 | 24.9 | 24.8 | 24.5 | 24.6 | 25.7 | 26.5 | 26.7 |
| Average night temperature (°C) | 20.0 | 22.0 | 23.2 | 23.5 | 23.3 | 22.1 | 22.1 | 22.0 | 21.9 | 22.4 | 22.5 | 20.4 |
| Absolute minimum temperature (°C) | 16.9 | 17.7 | 21.7 | 22.1 | 21.8 | 20.4 | 20.8 | 21.0 | 20.4 | 21.4 | 20.7 | 17.4 |
| 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 | 9.7 | 8.4 | 8.4 | 9.1 | 7.2 | 7.6 | 7.0 | 6.4 | 7.8 | 9.1 | 10.4 |
| Precipitation (mm) | 2 | 0 | 33 | 15 | 44 | 164 | 110 | 152 | 116 | 69 | 16 | 0 |
| Sunny days | 28 | 25 | 17 | 15 | 6 | 3 | 2 | 0 | 1 | 8 | 19 | 31 |
| Rainy days | 3 | 3 | 14 | 15 | 25 | 27 | 29 | 31 | 29 | 23 | 11 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Onisa is at