Average annual temperature is 26.6 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: 16.1 °C
Number of sunny days: 185 days
Number of rainy days: 180 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) | 36.4 | 37.5 | 37.9 | 37.2 | 35.1 | 32.9 | 30.7 | 30.6 | 32.3 | 34.1 | 34.5 | 35.3 |
| Average daytime temperature (°C) | 34.4 | 36.2 | 35.3 | 34.1 | 33.2 | 29.8 | 29.6 | 28.9 | 29.1 | 31.4 | 33.0 | 34.3 |
| Average temperature (°C) | 26.6 | 28.5 | 28.5 | 28.3 | 27.7 | 25.3 | 25.3 | 24.9 | 25.0 | 26.3 | 26.9 | 26.5 |
| Average night temperature (°C) | 19.4 | 21.9 | 23.6 | 23.9 | 23.7 | 22.4 | 22.5 | 22.3 | 22.2 | 22.7 | 22.4 | 19.3 |
| Absolute minimum temperature (°C) | 16.1 | 18.5 | 22.6 | 22.7 | 22.3 | 21.2 | 21.6 | 21.1 | 20.5 | 21.6 | 19.8 | 16.3 |
| 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 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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) | 10.1 | 9.8 | 8.8 | 8.8 | 9.6 | 8.0 | 8.1 | 7.7 | 7.2 | 9.3 | 9.4 | 10.4 |
| Precipitation (mm) | 1 | 0 | 17 | 13 | 52 | 127 | 107 | 150 | 95 | 52 | 26 | 0 |
| Sunny days | 30 | 28 | 24 | 18 | 8 | 3 | 2 | 0 | 2 | 17 | 22 | 31 |
| Rainy days | 1 | 0 | 7 | 12 | 23 | 27 | 29 | 31 | 28 | 14 | 8 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Osin is at