Average annual temperature is 14.7 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: -4.5 °C
Number of sunny days: 196 days
Number of rainy days: 168 days
Number of snow days: 1 day
Look at detailed online map of Rockhaven
* Weather data for Rockhaven 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) | 33.0 | 30.8 | 29.7 | 26.6 | 25.6 | 23.0 | 23.6 | 25.8 | 31.9 | 34.5 | 34.9 | 32.9 |
| Average daytime temperature (°C) | 26.6 | 24.7 | 25.3 | 23.6 | 18.5 | 17.4 | 16.8 | 21.1 | 24.9 | 23.8 | 28.0 | 26.0 |
| Average temperature (°C) | 19.6 | 18.3 | 17.9 | 14.8 | 10.7 | 9.4 | 7.6 | 10.7 | 14.6 | 15.2 | 19.4 | 18.6 |
| Average night temperature (°C) | 12.6 | 12.8 | 11.3 | 6.9 | 4.2 | 2.7 | 0.3 | 1.4 | 5.3 | 7.8 | 11.4 | 12.2 |
| Absolute minimum temperature (°C) | 8.1 | 9.3 | 6.1 | 1.9 | -2.5 | -0.9 | -4.1 | -4.5 | -1.7 | 1.9 | 1.2 | 8.9 |
| 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 | 10.2 | 10.4 | 11.1 | 11.9 | 12.8 | 13.6 | 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 | 13.0 |
| Sunshine mean duration (h) | 10.9 | 9.4 | 10.3 | 10.0 | 8.0 | 8.7 | 8.9 | 10.0 | 10.5 | 9.1 | 10.9 | 10.2 |
| Precipitation (mm) | 138 | 175 | 53 | 9 | 71 | 5 | 15 | 0 | 19 | 173 | 29 | 185 |
| Sunny days | 9 | 7 | 8 | 24 | 16 | 24 | 25 | 29 | 24 | 12 | 14 | 4 |
| Rainy days | 22 | 21 | 23 | 6 | 15 | 6 | 5 | 2 | 6 | 19 | 16 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rockhaven is at