Average annual temperature is 16.4 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -2.2 °C
Number of sunny days: 234 days
Number of rainy days: 131 days
Look at detailed online map of Casseldale
* Weather data for Casseldale 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) | 30.3 | 27.4 | 28.3 | 26.1 | 25.9 | 22.1 | 23.7 | 27.8 | 30.4 | 33.2 | 32.4 | 31.4 |
| Average daytime temperature (°C) | 26.5 | 23.9 | 24.8 | 23.4 | 19.7 | 18.6 | 17.2 | 21.3 | 25.9 | 26.1 | 27.0 | 26.4 |
| Average temperature (°C) | 20.3 | 18.6 | 18.6 | 16.3 | 12.9 | 10.7 | 9.4 | 13.0 | 17.7 | 18.5 | 20.1 | 20.3 |
| Average night temperature (°C) | 13.6 | 14.4 | 12.8 | 9.6 | 7.6 | 4.2 | 2.8 | 5.2 | 9.7 | 11.2 | 13.4 | 14.6 |
| Absolute minimum temperature (°C) | 10.4 | 11.3 | 10.0 | 4.1 | 1.7 | 0.8 | -2.2 | -1.3 | 2.9 | 4.8 | 3.8 | 10.6 |
| 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 | 10.7 | 11.2 | 11.9 | 12.7 | 13.4 | 13.7 |
| 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) | 11.9 | 9.1 | 10.3 | 10.3 | 9.3 | 9.7 | 9.4 | 10.2 | 10.7 | 10.1 | 10.6 | 10.8 |
| Precipitation (mm) | 47 | 145 | 21 | 12 | 55 | 6 | 2 | 0 | 13 | 76 | 46 | 105 |
| Sunny days | 16 | 7 | 14 | 25 | 15 | 27 | 27 | 30 | 27 | 22 | 13 | 11 |
| Rainy days | 15 | 21 | 17 | 5 | 16 | 3 | 4 | 1 | 3 | 9 | 17 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Casseldale is at