Average annual temperature is 27.3 °C
Absolute maximum temperature: 39.4 °C
Absolute minimum temperature: 17.6 °C
Number of sunny days: 123 days
Number of rainy days: 242 days
Look at detailed online map of Sumiso
* Weather data for Sumiso 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) | 37.9 | 39.4 | 39.0 | 38.2 | 37.4 | 34.4 | 33.6 | 33.0 | 34.9 | 35.7 | 37.0 | 37.2 |
| Average daytime temperature (°C) | 36.4 | 37.5 | 36.2 | 35.1 | 34.6 | 31.7 | 31.1 | 31.1 | 31.4 | 32.8 | 35.3 | 36.0 |
| Average temperature (°C) | 27.7 | 29.4 | 28.8 | 28.0 | 28.0 | 25.9 | 25.5 | 25.6 | 25.6 | 26.5 | 28.3 | 27.8 |
| Average night temperature (°C) | 20.7 | 23.1 | 24.2 | 24.1 | 24.1 | 22.9 | 22.6 | 22.5 | 22.4 | 22.9 | 23.4 | 21.1 |
| Absolute minimum temperature (°C) | 17.6 | 19.8 | 22.1 | 22.7 | 22.5 | 21.4 | 21.6 | 21.8 | 21.5 | 21.7 | 22.1 | 17.6 |
| 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) | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 | 12.5 | 12.3 | 12.2 | 12.0 | 11.8 | 11.7 |
| 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) | 10.1 | 10.4 | 8.3 | 7.9 | 9.6 | 7.9 | 8.3 | 8.2 | 7.7 | 9.0 | 10.3 | 10.1 |
| Precipitation (mm) | 6 | 6 | 87 | 81 | 70 | 189 | 195 | 212 | 233 | 158 | 24 | 0 |
| Sunny days | 29 | 24 | 12 | 4 | 5 | 2 | 0 | 0 | 0 | 4 | 14 | 29 |
| Rainy days | 2 | 4 | 19 | 26 | 26 | 28 | 31 | 31 | 30 | 27 | 16 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sumiso is at