Average annual temperature is 20.5 °C
Absolute maximum temperature: 29.2 °C
Absolute minimum temperature: 13.1 °C
Number of sunny days: 67 days
Number of rainy days: 298 days
Look at detailed online map of Nkumari
* Weather data for Nkumari 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) | 27.7 | 29.2 | 29.1 | 26.8 | 26.5 | 26.6 | 27.1 | 28.8 | 28.0 | 29.0 | 26.3 | 27.6 |
| Average daytime temperature (°C) | 25.4 | 27.4 | 26.9 | 24.8 | 25.0 | 24.5 | 23.9 | 25.0 | 26.8 | 26.6 | 24.3 | 25.1 |
| Average temperature (°C) | 20.1 | 21.6 | 21.4 | 20.3 | 20.7 | 20.2 | 19.2 | 19.9 | 21.3 | 21.2 | 19.9 | 20.5 |
| Average night temperature (°C) | 15.6 | 16.2 | 17.0 | 16.9 | 17.5 | 16.6 | 15.9 | 16.1 | 16.8 | 17.0 | 16.8 | 16.8 |
| Absolute minimum temperature (°C) | 13.1 | 14.8 | 15.5 | 15.8 | 15.4 | 15.3 | 14.9 | 14.1 | 15.8 | 15.1 | 15.9 | 14.1 |
| 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) | 11.2 | 11.2 | 10.0 | 9.5 | 10.2 | 9.1 | 9.4 | 9.8 | 10.7 | 10.7 | 8.8 | 10.6 |
| Precipitation (mm) | 31 | 8 | 122 | 287 | 87 | 19 | 27 | 37 | 61 | 243 | 321 | 84 |
| Sunny days | 15 | 13 | 4 | 0 | 0 | 10 | 9 | 11 | 3 | 1 | 1 | 0 |
| Rainy days | 16 | 15 | 27 | 30 | 31 | 20 | 22 | 20 | 27 | 30 | 29 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nkumari is at