Average annual temperature is 20.8 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: 13.2 °C
Number of sunny days: 90 days
Number of rainy days: 275 days
Look at detailed online map of Mumias
* Weather data for Mumias 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) | 32.2 | 34.0 | 34.1 | 30.4 | 29.5 | 28.8 | 29.5 | 31.1 | 30.3 | 31.8 | 29.6 | 31.4 |
| Average daytime temperature (°C) | 30.0 | 31.7 | 28.2 | 27.8 | 28.2 | 27.2 | 27.5 | 28.6 | 28.2 | 29.1 | 27.6 | 28.4 |
| Average temperature (°C) | 21.1 | 22.6 | 20.5 | 20.5 | 20.7 | 20.2 | 20.4 | 20.9 | 20.6 | 21.1 | 20.3 | 21.0 |
| Average night temperature (°C) | 14.7 | 16.1 | 15.9 | 16.1 | 15.6 | 15.6 | 15.3 | 15.5 | 15.7 | 16.1 | 15.9 | 16.1 |
| Absolute minimum temperature (°C) | 13.2 | 14.6 | 14.3 | 14.8 | 14.7 | 14.8 | 13.7 | 13.7 | 14.3 | 14.4 | 14.6 | 14.8 |
| 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 | 11.1 | 9.6 | 9.2 | 10.5 | 10.5 | 10.8 | 10.9 | 10.6 | 10.0 | 9.7 | 10.4 |
| Precipitation (mm) | 3 | 13 | 246 | 267 | 85 | 62 | 63 | 48 | 152 | 174 | 254 | 97 |
| Sunny days | 26 | 18 | 4 | 3 | 4 | 3 | 9 | 9 | 4 | 4 | 1 | 5 |
| Rainy days | 5 | 10 | 27 | 27 | 27 | 27 | 22 | 22 | 26 | 27 | 29 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mumias is at