Average annual temperature is 16.9 °C
Absolute maximum temperature: 27.5 °C
Absolute minimum temperature: 9.6 °C
Number of sunny days: 101 days
Number of rainy days: 264 days
Look at detailed online map of Greystones
* Weather data for Greystones 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) | 25.1 | 27.5 | 26.7 | 24.8 | 23.8 | 23.9 | 22.9 | 24.3 | 24.9 | 24.4 | 22.4 | 24.4 |
| Average daytime temperature (°C) | 22.4 | 25.2 | 23.2 | 22.1 | 22.1 | 21.6 | 20.9 | 21.6 | 22.1 | 22.5 | 20.9 | 23.1 |
| Average temperature (°C) | 17.1 | 19.1 | 17.5 | 16.9 | 16.7 | 16.2 | 15.6 | 16.2 | 16.3 | 17.3 | 16.2 | 17.5 |
| Average night temperature (°C) | 12.4 | 13.4 | 13.2 | 13.2 | 12.4 | 12.1 | 11.2 | 11.6 | 12.0 | 13.1 | 12.6 | 13.1 |
| Absolute minimum temperature (°C) | 10.7 | 11.5 | 11.1 | 11.9 | 10.7 | 11.1 | 9.6 | 9.8 | 10.9 | 11.4 | 11.4 | 11.3 |
| 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) | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 |
| 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 | 10.2 | 10.7 | 10.5 | 10.9 | 11.0 | 10.8 | 10.9 | 9.9 | 11.1 |
| Precipitation (mm) | 3 | 0 | 122 | 166 | 68 | 79 | 47 | 89 | 146 | 78 | 108 | 29 |
| Sunny days | 27 | 25 | 8 | 3 | 6 | 5 | 0 | 9 | 2 | 4 | 2 | 10 |
| Rainy days | 4 | 3 | 23 | 27 | 25 | 25 | 31 | 22 | 28 | 27 | 28 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Greystones is at