Average annual temperature is 18.7 °C
Absolute maximum temperature: 30.8 °C
Absolute minimum temperature: 9.6 °C
Number of sunny days: 89 days
Number of rainy days: 276 days
Look at detailed online map of Koli
* Weather data for Koli Kenya is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.7 | 30.4 | 30.8 | 27.8 | 27.7 | 25.4 | 24.8 | 27.7 | 26.1 | 27.9 | 26.6 | 28.1 |
| Average daytime temperature (°C) | 26.8 | 28.9 | 25.8 | 25.1 | 24.8 | 23.8 | 23.6 | 24.7 | 24.6 | 25.6 | 24.4 | 25.8 |
| Average temperature (°C) | 19.0 | 20.8 | 19.1 | 18.7 | 18.4 | 18.0 | 18.0 | 18.3 | 18.1 | 18.7 | 18.0 | 19.0 |
| Average night temperature (°C) | 12.1 | 13.6 | 14.1 | 13.8 | 13.0 | 13.4 | 12.9 | 12.7 | 13.0 | 13.3 | 13.2 | 13.1 |
| Absolute minimum temperature (°C) | 10.0 | 9.6 | 12.5 | 11.3 | 11.6 | 12.1 | 10.9 | 10.1 | 11.9 | 11.8 | 11.9 | 10.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 11.0 | 10.8 | 9.8 | 9.5 | 10.7 | 10.5 | 10.9 | 10.8 | 10.7 | 10.3 | 9.5 | 10.8 |
| Precipitation (mm) | 1 | 3 | 205 | 250 | 86 | 102 | 76 | 96 | 155 | 191 | 294 | 79 |
| Sunny days | 26 | 21 | 5 | 4 | 1 | 1 | 4 | 11 | 3 | 5 | 4 | 4 |
| Rainy days | 5 | 7 | 26 | 26 | 30 | 29 | 27 | 20 | 27 | 26 | 26 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koli is at