Average annual temperature is 26.2 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: 17.3 °C
Number of sunny days: 46 days
Number of rainy days: 319 days
Look at detailed online map of Heman
* Weather data for Heman 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) | 35.7 | 36.9 | 35.7 | 34.4 | 34.1 | 32.1 | 31.8 | 32.2 | 33.0 | 32.8 | 32.7 | 34.8 |
| Average daytime temperature (°C) | 34.0 | 34.6 | 33.5 | 32.8 | 32.1 | 29.3 | 29.4 | 29.7 | 30.8 | 31.0 | 31.8 | 33.1 |
| Average temperature (°C) | 27.0 | 27.8 | 27.1 | 26.6 | 26.3 | 24.9 | 24.9 | 25.1 | 25.5 | 25.6 | 26.2 | 26.9 |
| Average night temperature (°C) | 22.6 | 23.8 | 23.6 | 23.6 | 23.5 | 22.3 | 22.6 | 22.9 | 22.9 | 22.8 | 23.0 | 22.2 |
| Absolute minimum temperature (°C) | 17.3 | 21.2 | 22.3 | 22.7 | 22.7 | 20.1 | 21.8 | 21.7 | 21.7 | 22.0 | 22.2 | 18.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 12.0 | 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 | 12.4 | 12.3 | 12.2 | 12.0 | 11.9 | 11.8 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.1 | 9.6 | 7.6 | 7.2 | 8.1 | 7.1 | 7.1 | 6.7 | 7.1 | 8.0 | 8.9 | 9.6 |
| Precipitation (mm) | 44 | 59 | 151 | 213 | 266 | 317 | 273 | 197 | 209 | 262 | 143 | 26 |
| Sunny days | 11 | 7 | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 1 | 1 | 19 |
| Rainy days | 20 | 21 | 29 | 28 | 30 | 28 | 31 | 31 | 30 | 30 | 29 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Heman is at