Average annual temperature is 26.5 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: 16.9 °C
Number of sunny days: 149 days
Number of rainy days: 216 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) | 36.1 | 37.2 | 36.9 | 36.7 | 35.4 | 33.6 | 32.5 | 32.9 | 32.9 | 34.8 | 35.8 | 36.0 |
| Average daytime temperature (°C) | 34.8 | 35.9 | 34.7 | 34.1 | 33.7 | 30.5 | 30.4 | 29.8 | 30.3 | 32.3 | 33.8 | 35.0 |
| Average temperature (°C) | 26.4 | 27.9 | 27.6 | 27.8 | 27.5 | 25.2 | 25.3 | 24.9 | 25.1 | 26.3 | 27.0 | 26.5 |
| Average night temperature (°C) | 19.9 | 22.0 | 23.2 | 23.6 | 23.6 | 22.3 | 22.4 | 22.3 | 22.1 | 22.7 | 22.7 | 20.0 |
| Absolute minimum temperature (°C) | 16.9 | 18.4 | 21.6 | 22.3 | 22.2 | 21.1 | 21.4 | 21.3 | 20.4 | 21.5 | 20.4 | 17.8 |
| 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 | 8.1 | 9.4 | 7.5 | 7.7 | 7.3 | 6.7 | 8.4 | 9.1 | 10.4 |
| Precipitation (mm) | 0 | 0 | 53 | 15 | 55 | 191 | 141 | 164 | 112 | 81 | 34 | 0 |
| Sunny days | 29 | 24 | 16 | 13 | 4 | 3 | 1 | 1 | 2 | 7 | 18 | 31 |
| Rainy days | 2 | 4 | 15 | 17 | 27 | 27 | 30 | 30 | 28 | 24 | 12 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koso is at