Average annual temperature is 22.0 °C
Absolute maximum temperature: 42.0 °C
Absolute minimum temperature: 0.0 °C
Number of sunny days: 325 days
Number of rainy days: 40 days
Look at detailed online map of Swartmodder
* Weather data for Swartmodder 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) | 40.6 | 39.4 | 38.0 | 34.3 | 33.0 | 27.2 | 27.5 | 31.9 | 38.6 | 41.8 | 42.0 | 41.5 |
| Average daytime temperature (°C) | 37.0 | 35.5 | 32.8 | 28.7 | 23.7 | 19.8 | 20.5 | 24.3 | 24.8 | 31.7 | 35.4 | 34.9 |
| Average temperature (°C) | 30.7 | 29.0 | 25.6 | 21.5 | 16.7 | 12.8 | 12.8 | 17.0 | 17.4 | 24.7 | 28.3 | 28.2 |
| Average night temperature (°C) | 22.6 | 21.0 | 17.7 | 13.4 | 9.0 | 6.1 | 5.6 | 9.4 | 8.3 | 16.0 | 19.2 | 20.1 |
| Absolute minimum temperature (°C) | 15.8 | 14.3 | 11.9 | 6.9 | 2.0 | 2.5 | 0.0 | 1.9 | 1.6 | 9.0 | 12.1 | 15.4 |
| 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) | 13.7 | 13.1 | 12.2 | 11.4 | 10.7 | 10.4 | 10.6 | 11.1 | 11.9 | 12.8 | 13.5 | 13.9 |
| 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) | 12.5 | 12.0 | 11.1 | 10.2 | 9.5 | 8.9 | 9.4 | 10.1 | 10.7 | 11.3 | 12.3 | 12.3 |
| Precipitation (mm) | 7 | 4 | 1 | 1 | 1 | 7 | 1 | 0 | 0 | 1 | 1 | 36 |
| Sunny days | 24 | 25 | 28 | 28 | 27 | 25 | 28 | 30 | 29 | 29 | 26 | 26 |
| Rainy days | 7 | 3 | 3 | 2 | 4 | 5 | 3 | 1 | 1 | 2 | 4 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Swartmodder is at