Average annual temperature is 21.4 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: 13.3 °C
Number of sunny days: 66 days
Number of rainy days: 299 days
Look at detailed online map of Osani
* Weather data for Osani 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) | 32.9 | 33.7 | 31.2 | 29.0 | 29.1 | 29.2 | 31.5 | 33.1 | 31.1 | 32.3 | 30.6 | 30.1 |
| Average daytime temperature (°C) | 29.3 | 31.0 | 26.7 | 26.7 | 27.7 | 27.5 | 28.4 | 29.5 | 28.3 | 29.7 | 26.4 | 26.9 |
| Average temperature (°C) | 21.5 | 23.1 | 20.6 | 20.6 | 21.2 | 21.1 | 21.2 | 22.4 | 21.4 | 22.3 | 20.5 | 20.8 |
| Average night temperature (°C) | 15.9 | 17.6 | 16.6 | 16.6 | 16.7 | 16.6 | 15.7 | 17.0 | 16.6 | 17.2 | 16.6 | 16.4 |
| Absolute minimum temperature (°C) | 13.3 | 15.9 | 14.9 | 15.2 | 14.9 | 14.9 | 13.8 | 15.3 | 14.6 | 15.8 | 15.5 | 15.1 |
| 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) | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 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) | 11.2 | 11.1 | 10.2 | 9.7 | 10.7 | 10.6 | 10.6 | 10.7 | 10.7 | 10.6 | 9.3 | 10.7 |
| Precipitation (mm) | 15 | 27 | 249 | 208 | 55 | 33 | 21 | 27 | 113 | 73 | 181 | 87 |
| Sunny days | 15 | 15 | 4 | 1 | 4 | 3 | 11 | 7 | 1 | 3 | 0 | 2 |
| Rainy days | 16 | 13 | 27 | 29 | 27 | 27 | 20 | 24 | 29 | 28 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Osani is at