Average annual temperature is 28.5 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: 21.2 °C
Number of sunny days: 133 days
Number of rainy days: 232 days
Look at detailed online map of Posa
* Weather data for Posa 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) | 38.1 | 38.1 | 38.3 | 37.6 | 36.6 | 35.2 | 34.2 | 35.1 | 36.5 | 37.2 | 34.2 | 36.3 |
| Average daytime temperature (°C) | 36.2 | 36.7 | 36.4 | 33.1 | 33.9 | 34.0 | 32.5 | 33.3 | 35.1 | 35.7 | 30.7 | 34.1 |
| Average temperature (°C) | 30.0 | 30.4 | 30.5 | 28.1 | 28.4 | 28.1 | 26.7 | 27.3 | 28.5 | 29.4 | 26.4 | 28.8 |
| Average night temperature (°C) | 23.9 | 24.2 | 25.2 | 24.3 | 24.0 | 23.4 | 22.3 | 22.6 | 23.2 | 24.5 | 23.3 | 24.2 |
| Absolute minimum temperature (°C) | 22.5 | 22.9 | 23.7 | 21.5 | 22.7 | 22.3 | 21.2 | 21.4 | 22.0 | 22.9 | 22.6 | 22.7 |
| 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 | 12.2 |
| 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) | 10.9 | 10.9 | 10.6 | 9.6 | 10.6 | 10.4 | 9.3 | 9.8 | 10.2 | 10.9 | 8.8 | 10.7 |
| Precipitation (mm) | 3 | 0 | 37 | 212 | 10 | 10 | 23 | 10 | 7 | 15 | 296 | 25 |
| Sunny days | 26 | 26 | 16 | 2 | 3 | 14 | 8 | 9 | 10 | 10 | 0 | 9 |
| Rainy days | 5 | 2 | 15 | 28 | 28 | 16 | 23 | 22 | 20 | 21 | 30 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Posa is at