Average annual temperature is 17.6 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: 4.3 °C
Number of sunny days: 167 days
Number of rainy days: 198 days
Look at detailed online map of Umgeni Dam
* Weather data for Umgeni Dam 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) | 36.5 | 34.1 | 32.5 | 31.4 | 31.1 | 27.1 | 28.0 | 31.2 | 36.8 | 32.7 | 38.7 | 33.9 |
| Average daytime temperature (°C) | 28.2 | 26.0 | 26.1 | 25.2 | 21.3 | 20.3 | 20.6 | 22.4 | 24.5 | 22.0 | 26.5 | 24.3 |
| Average temperature (°C) | 22.1 | 21.2 | 20.7 | 18.5 | 15.6 | 13.6 | 12.7 | 14.3 | 16.7 | 16.5 | 20.0 | 19.5 |
| Average night temperature (°C) | 17.5 | 17.8 | 16.8 | 13.7 | 11.2 | 8.4 | 7.1 | 8.0 | 11.0 | 11.7 | 14.7 | 15.4 |
| Absolute minimum temperature (°C) | 11.8 | 15.0 | 11.3 | 9.0 | 6.1 | 6.1 | 4.3 | 4.4 | 5.8 | 6.1 | 5.6 | 10.6 |
| 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 | 13.0 | 14.0 |
| Daylight mean duration (h) | 13.8 | 13.1 | 12.3 | 11.4 | 10.6 | 10.3 | 10.5 | 11.1 | 11.9 | 12.8 | 13.6 | 14.0 |
| 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 | 13.0 |
| Sunshine mean duration (h) | 9.9 | 7.7 | 9.0 | 8.9 | 7.8 | 8.8 | 8.1 | 9.0 | 8.6 | 7.5 | 9.1 | 7.1 |
| Precipitation (mm) | 130 | 286 | 76 | 26 | 91 | 7 | 17 | 28 | 29 | 135 | 51 | 171 |
| Sunny days | 12 | 5 | 7 | 20 | 17 | 21 | 21 | 21 | 15 | 10 | 15 | 3 |
| Rainy days | 19 | 23 | 24 | 10 | 14 | 9 | 10 | 10 | 15 | 21 | 15 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Umgeni Dam is at