Average annual temperature is 13.0 °C
Absolute maximum temperature: 23.3 °C
Absolute minimum temperature: 5.3 °C
Number of sunny days: 82 days
Number of rainy days: 283 days
Look at detailed online map of Siapei
* Weather data for Siapei 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) | 21.2 | 23.3 | 22.9 | 19.6 | 19.1 | 19.6 | 18.9 | 20.0 | 20.3 | 20.0 | 19.0 | 19.6 |
| Average daytime temperature (°C) | 19.0 | 21.3 | 19.5 | 17.7 | 17.8 | 17.9 | 17.1 | 17.3 | 18.1 | 18.5 | 17.4 | 18.3 |
| Average temperature (°C) | 13.5 | 15.2 | 14.2 | 13.1 | 12.8 | 12.4 | 11.5 | 11.8 | 12.7 | 13.4 | 12.8 | 13.4 |
| Average night temperature (°C) | 8.6 | 9.3 | 9.5 | 9.6 | 8.8 | 7.9 | 6.5 | 6.9 | 7.9 | 9.6 | 9.8 | 9.5 |
| Absolute minimum temperature (°C) | 6.4 | 6.5 | 8.1 | 8.2 | 7.1 | 6.6 | 5.3 | 5.3 | 6.6 | 7.6 | 7.4 | 7.4 |
| 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 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 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) | 11.1 | 11.0 | 10.3 | 10.1 | 10.7 | 10.7 | 11.1 | 10.7 | 10.8 | 10.9 | 9.8 | 10.9 |
| Precipitation (mm) | 5 | 1 | 82 | 180 | 75 | 71 | 46 | 81 | 177 | 84 | 184 | 49 |
| Sunny days | 24 | 24 | 6 | 2 | 2 | 3 | 4 | 6 | 2 | 1 | 1 | 7 |
| Rainy days | 7 | 4 | 25 | 28 | 29 | 27 | 27 | 25 | 28 | 30 | 29 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siapei is at