Average annual temperature is 25.2 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: 17.4 °C
Number of sunny days: 126 days
Number of rainy days: 239 days
Look at detailed online map of Simisi
* Weather data for Simisi 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) | 34.3 | 35.3 | 35.5 | 33.2 | 33.5 | 32.7 | 34.5 | 32.5 | 33.9 | 35.5 | 32.6 | 31.6 |
| Average daytime temperature (°C) | 32.2 | 33.9 | 33.5 | 30.4 | 31.0 | 30.7 | 29.8 | 30.8 | 32.1 | 32.6 | 29.4 | 30.1 |
| Average temperature (°C) | 25.9 | 27.1 | 26.8 | 24.8 | 25.0 | 24.6 | 23.7 | 24.3 | 25.3 | 25.7 | 24.0 | 25.1 |
| Average night temperature (°C) | 20.1 | 20.9 | 21.4 | 20.7 | 20.1 | 19.6 | 18.6 | 18.8 | 19.7 | 20.6 | 20.5 | 20.9 |
| Absolute minimum temperature (°C) | 18.9 | 19.2 | 20.1 | 19.7 | 18.6 | 18.1 | 17.4 | 17.7 | 18.3 | 18.1 | 19.6 | 19.9 |
| 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) | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.2 | 12.2 | 12.2 |
| 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 | 10.4 | 9.8 | 10.6 | 9.8 | 9.1 | 9.9 | 10.3 | 10.6 | 10.2 | 10.7 |
| Precipitation (mm) | 21 | 5 | 99 | 247 | 36 | 12 | 13 | 8 | 13 | 98 | 399 | 196 |
| Sunny days | 14 | 21 | 9 | 0 | 9 | 18 | 20 | 15 | 12 | 4 | 1 | 3 |
| Rainy days | 17 | 7 | 22 | 30 | 22 | 12 | 11 | 16 | 18 | 27 | 29 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Simisi is at