Average annual temperature is 26.1 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: 17.9 °C
Number of sunny days: 108 days
Number of rainy days: 257 days
Look at detailed online map of Osin
* Weather data for Osin 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) | 35.8 | 37.9 | 36.5 | 35.3 | 33.6 | 32.3 | 30.4 | 30.1 | 31.1 | 32.2 | 33.3 | 35.9 |
| Average daytime temperature (°C) | 34.5 | 35.9 | 33.8 | 32.8 | 31.9 | 29.1 | 28.8 | 28.2 | 29.0 | 30.2 | 31.6 | 34.0 |
| Average temperature (°C) | 26.6 | 28.4 | 27.4 | 27.2 | 26.6 | 24.8 | 24.7 | 24.4 | 24.6 | 25.5 | 26.3 | 26.6 |
| Average night temperature (°C) | 20.7 | 23.3 | 23.4 | 23.8 | 23.5 | 22.4 | 22.4 | 22.3 | 22.2 | 22.7 | 22.9 | 20.6 |
| Absolute minimum temperature (°C) | 17.9 | 19.6 | 22.0 | 22.6 | 21.9 | 21.2 | 21.2 | 21.3 | 21.1 | 21.3 | 21.4 | 17.9 |
| 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 | 12.5 | 12.5 | 12.4 | 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) | 9.6 | 9.6 | 8.0 | 7.9 | 8.7 | 6.8 | 7.9 | 6.7 | 6.5 | 8.1 | 9.1 | 10.2 |
| Precipitation (mm) | 5 | 5 | 60 | 32 | 68 | 206 | 147 | 204 | 140 | 83 | 48 | 0 |
| Sunny days | 25 | 17 | 9 | 5 | 4 | 4 | 0 | 0 | 1 | 5 | 11 | 27 |
| Rainy days | 6 | 11 | 22 | 25 | 27 | 26 | 31 | 31 | 29 | 26 | 19 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Osin is at