Average annual temperature is 28.4 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: 16.3 °C
Number of sunny days: 204 days
Number of rainy days: 161 days
Look at detailed online map of Koso
* Weather data for Koso 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) | 38.1 | 38.8 | 39.7 | 39.9 | 38.1 | 35.5 | 32.8 | 32.2 | 33.2 | 34.8 | 36.2 | 36.0 |
| Average daytime temperature (°C) | 35.1 | 37.3 | 37.8 | 37.4 | 35.8 | 31.8 | 31.2 | 30.3 | 30.5 | 32.6 | 34.0 | 34.7 |
| Average temperature (°C) | 27.4 | 29.8 | 31.4 | 31.5 | 30.4 | 27.3 | 26.9 | 26.3 | 26.5 | 27.8 | 28.3 | 27.1 |
| Average night temperature (°C) | 19.0 | 21.8 | 25.3 | 26.1 | 25.6 | 24.0 | 23.6 | 23.3 | 23.3 | 23.6 | 22.9 | 19.1 |
| Absolute minimum temperature (°C) | 16.3 | 19.3 | 23.6 | 23.8 | 23.8 | 22.9 | 22.0 | 22.0 | 21.6 | 22.8 | 19.3 | 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 | 11.8 | 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) | 10.2 | 10.2 | 9.0 | 9.0 | 10.0 | 8.2 | 9.3 | 8.1 | 8.1 | 9.6 | 9.8 | 10.8 |
| Precipitation (mm) | 2 | 0 | 5 | 23 | 67 | 129 | 117 | 187 | 143 | 84 | 9 | 0 |
| Sunny days | 30 | 28 | 25 | 22 | 12 | 4 | 3 | 1 | 6 | 17 | 25 | 31 |
| Rainy days | 1 | 0 | 6 | 8 | 19 | 26 | 28 | 30 | 24 | 14 | 5 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koso is at