Average annual temperature is 17.6 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: 4.6 °C
Number of sunny days: 158 days
Number of rainy days: 207 days
Look at detailed online map of Dumasi
* Weather data for Dumasi South Africa is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 34.9 | 34.2 | 31.9 | 31.3 | 31.1 | 26.1 | 27.8 | 30.5 | 36.2 | 35.2 | 33.6 | 28.9 |
| Average daytime temperature (°C) | 27.0 | 25.5 | 25.2 | 24.0 | 20.5 | 19.0 | 19.5 | 22.0 | 22.1 | 20.6 | 25.0 | 22.3 |
| Average temperature (°C) | 22.1 | 21.3 | 20.5 | 18.5 | 15.5 | 13.8 | 13.5 | 15.6 | 15.9 | 16.1 | 19.3 | 18.7 |
| Average night temperature (°C) | 17.8 | 17.8 | 16.9 | 14.2 | 11.8 | 9.5 | 8.4 | 10.6 | 11.3 | 12.3 | 14.7 | 15.5 |
| Absolute minimum temperature (°C) | 11.9 | 13.8 | 11.8 | 9.8 | 6.9 | 6.7 | 4.6 | 6.0 | 6.6 | 7.4 | 8.7 | 12.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.5 | 10.1 | 10.3 | 11.0 | 11.9 | 12.9 | 13.7 | 14.1 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 9.4 | 7.6 | 8.5 | 8.7 | 7.1 | 7.6 | 8.9 | 8.8 | 8.1 | 7.8 | 9.1 | 6.3 |
| Precipitation (mm) | 162 | 173 | 86 | 36 | 149 | 46 | 25 | 8 | 76 | 208 | 61 | 171 |
| Sunny days | 12 | 6 | 9 | 14 | 15 | 22 | 21 | 19 | 18 | 9 | 10 | 3 |
| Rainy days | 19 | 22 | 22 | 16 | 16 | 8 | 10 | 12 | 12 | 22 | 20 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Dumasi is at