Average annual temperature is 17.4 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: -1.7 °C
Number of sunny days: 250 days
Number of rainy days: 115 days
Look at detailed online map of Erma
* Weather data for Erma 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) | 30.8 | 28.5 | 28.5 | 26.5 | 25.9 | 23.9 | 22.6 | 26.5 | 30.6 | 33.4 | 34.7 | 34.5 |
| Average daytime temperature (°C) | 27.6 | 24.4 | 25.1 | 23.5 | 20.7 | 18.6 | 17.3 | 20.8 | 25.5 | 27.5 | 29.1 | 28.9 |
| Average temperature (°C) | 21.9 | 19.3 | 19.2 | 16.8 | 14.0 | 11.2 | 10.3 | 13.4 | 17.7 | 20.1 | 22.3 | 22.4 |
| Average night temperature (°C) | 16.1 | 14.8 | 14.0 | 10.7 | 8.7 | 4.8 | 4.2 | 6.4 | 9.8 | 12.9 | 15.4 | 16.3 |
| Absolute minimum temperature (°C) | 12.3 | 11.2 | 10.6 | 5.3 | 1.8 | 0.6 | -1.7 | -0.9 | 0.6 | 6.2 | 4.5 | 11.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.6 | 13.0 | 12.2 | 11.5 | 10.8 | 10.5 | 10.6 | 11.2 | 11.9 | 12.7 | 13.4 | 13.8 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 12.4 | 9.6 | 10.8 | 10.5 | 9.7 | 9.5 | 9.6 | 10.3 | 10.6 | 10.7 | 11.7 | 11.2 |
| Precipitation (mm) | 29 | 121 | 53 | 15 | 33 | 0 | 5 | 0 | 5 | 37 | 24 | 99 |
| Sunny days | 18 | 7 | 14 | 23 | 22 | 28 | 29 | 30 | 25 | 23 | 17 | 14 |
| Rainy days | 13 | 21 | 17 | 7 | 9 | 2 | 2 | 1 | 5 | 8 | 13 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Erma is at