Average annual temperature is 25.7 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: 17.7 °C
Number of sunny days: 142 days
Number of rainy days: 223 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 | 36.5 | 35.0 | 33.3 | 31.7 | 31.0 | 31.9 | 31.6 | 33.1 | 34.5 | 34.3 |
| Average daytime temperature (°C) | 33.9 | 35.1 | 33.4 | 32.5 | 31.8 | 29.1 | 29.3 | 28.7 | 29.3 | 30.9 | 31.8 | 33.4 |
| Average temperature (°C) | 26.2 | 27.6 | 26.8 | 26.7 | 26.3 | 24.4 | 24.5 | 24.2 | 24.4 | 25.3 | 25.9 | 25.9 |
| Average night temperature (°C) | 20.3 | 22.1 | 22.8 | 23.0 | 22.9 | 21.8 | 22.0 | 21.9 | 21.8 | 22.2 | 22.1 | 20.3 |
| Absolute minimum temperature (°C) | 17.7 | 19.5 | 21.7 | 22.2 | 21.5 | 20.9 | 21.0 | 21.1 | 20.3 | 21.2 | 20.8 | 17.7 |
| 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 | 9.7 | 8.3 | 8.3 | 8.5 | 6.5 | 7.3 | 6.4 | 6.3 | 7.6 | 8.8 | 10.6 |
| Precipitation (mm) | 1 | 1 | 38 | 31 | 53 | 196 | 172 | 177 | 192 | 89 | 39 | 0 |
| Sunny days | 28 | 26 | 15 | 10 | 5 | 2 | 1 | 0 | 3 | 7 | 14 | 31 |
| Rainy days | 3 | 2 | 16 | 20 | 26 | 28 | 30 | 31 | 27 | 24 | 16 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Onisa during the most sunny months:
The largest precipitation sum in Onisa is at