Average annual temperature is 25.8 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: 17.7 °C
Number of sunny days: 93 days
Number of rainy days: 272 days
Look at detailed online map of Sunyani
* Weather data for Sunyani 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) | 36.6 | 38.3 | 35.9 | 33.6 | 32.7 | 31.8 | 30.9 | 30.9 | 31.3 | 31.7 | 32.1 | 35.4 |
| Average daytime temperature (°C) | 34.2 | 35.5 | 32.7 | 31.8 | 31.3 | 29.0 | 28.9 | 28.9 | 29.3 | 29.8 | 30.9 | 32.9 |
| Average temperature (°C) | 26.7 | 28.4 | 26.9 | 26.5 | 26.2 | 24.7 | 24.6 | 24.7 | 24.9 | 25.0 | 25.7 | 25.7 |
| Average night temperature (°C) | 20.5 | 22.9 | 23.1 | 23.1 | 23.1 | 22.1 | 22.1 | 22.2 | 22.1 | 22.1 | 22.3 | 20.0 |
| Absolute minimum temperature (°C) | 17.7 | 20.1 | 21.7 | 22.1 | 22.2 | 20.2 | 21.4 | 21.1 | 20.8 | 21.4 | 21.3 | 17.9 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.5 | 12.5 | 12.4 | 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) | 10.2 | 10.0 | 8.4 | 8.2 | 8.9 | 7.4 | 6.7 | 6.5 | 7.5 | 8.1 | 9.0 | 9.9 |
| Precipitation (mm) | 6 | 26 | 169 | 185 | 188 | 261 | 180 | 168 | 205 | 210 | 136 | 14 |
| Sunny days | 27 | 20 | 8 | 2 | 1 | 3 | 0 | 0 | 0 | 1 | 3 | 28 |
| Rainy days | 4 | 8 | 23 | 28 | 30 | 27 | 31 | 31 | 30 | 30 | 27 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sunyani is at