Average annual temperature is 27.7 °C
Absolute maximum temperature: 41.1 °C
Absolute minimum temperature: 17.3 °C
Number of sunny days: 185 days
Number of rainy days: 180 days
Look at detailed online map of Gilli
* Weather data for Gilli Ghana is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 37.6 | 38.9 | 41.1 | 39.6 | 37.0 | 34.2 | 31.8 | 30.7 | 32.4 | 35.3 | 35.5 | 36.2 |
| Average daytime temperature (°C) | 34.7 | 37.2 | 37.7 | 36.8 | 33.8 | 31.2 | 29.9 | 29.2 | 29.9 | 31.8 | 34.2 | 34.3 |
| Average temperature (°C) | 27.1 | 29.7 | 31.0 | 30.8 | 28.7 | 26.9 | 26.1 | 25.2 | 25.8 | 26.9 | 28.2 | 26.3 |
| Average night temperature (°C) | 20.3 | 22.9 | 25.0 | 25.5 | 24.5 | 23.5 | 23.0 | 22.5 | 22.4 | 22.8 | 22.8 | 19.8 |
| Absolute minimum temperature (°C) | 17.7 | 19.8 | 22.3 | 23.1 | 23.0 | 22.1 | 22.2 | 21.3 | 20.8 | 20.8 | 19.2 | 17.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 12.7 | 12.5 | 12.2 | 11.9 | 11.7 | 11.5 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.7 | 10.9 | 9.5 | 9.5 | 10.2 | 9.2 | 8.7 | 7.4 | 9.4 | 10.1 | 10.1 | 10.2 |
| Precipitation (mm) | 0 | 0 | 38 | 31 | 122 | 114 | 106 | 207 | 204 | 51 | 1 | 0 |
| Sunny days | 31 | 27 | 20 | 21 | 8 | 6 | 1 | 0 | 2 | 13 | 25 | 31 |
| Rainy days | 0 | 1 | 11 | 9 | 23 | 24 | 30 | 31 | 28 | 18 | 5 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Gilli is at