Average annual temperature is 26.9 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: 23.1 °C
Number of sunny days: 52 days
Number of rainy days: 313 days
Look at detailed online map of Siyu
* Weather data for Siyu 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) | 30.6 | 29.9 | 30.9 | 31.6 | 29.5 | 29.4 | 28.4 | 28.3 | 29.0 | 30.0 | 29.9 | 32.0 |
| Average daytime temperature (°C) | 29.5 | 28.9 | 29.8 | 29.9 | 28.6 | 28.3 | 27.3 | 27.4 | 28.1 | 28.9 | 28.4 | 30.3 |
| Average temperature (°C) | 27.1 | 26.6 | 27.7 | 28.0 | 27.2 | 26.7 | 25.8 | 25.7 | 26.3 | 27.2 | 26.4 | 28.4 |
| Average night temperature (°C) | 25.7 | 25.3 | 26.3 | 26.5 | 25.7 | 25.3 | 24.5 | 24.5 | 25.0 | 25.7 | 24.5 | 26.8 |
| Absolute minimum temperature (°C) | 24.6 | 24.8 | 24.7 | 23.6 | 23.9 | 23.6 | 23.2 | 23.1 | 23.8 | 23.1 | 23.4 | 25.3 |
| 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) | 11.1 | 11.0 | 10.9 | 9.7 | 10.5 | 10.9 | 10.4 | 10.8 | 10.9 | 11.3 | 10.1 | 11.2 |
| Precipitation (mm) | 14 | 6 | 19 | 159 | 73 | 42 | 70 | 68 | 41 | 59 | 278 | 69 |
| Sunny days | 8 | 15 | 13 | 2 | 0 | 3 | 1 | 2 | 3 | 5 | 0 | 0 |
| Rainy days | 23 | 13 | 18 | 28 | 31 | 27 | 30 | 29 | 27 | 26 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siyu is at