Average annual temperature is 15.3 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: 0.6 °C
Number of sunny days: 157 days
Number of rainy days: 208 days
Look at detailed online map of Rockville
* Weather data for Rockville 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) | 32.4 | 31.8 | 30.1 | 28.7 | 27.6 | 24.0 | 26.9 | 29.5 | 32.8 | 35.9 | 33.6 | 29.1 |
| Average daytime temperature (°C) | 26.2 | 23.9 | 23.8 | 22.1 | 18.3 | 17.4 | 18.1 | 20.9 | 21.4 | 20.1 | 24.5 | 21.9 |
| Average temperature (°C) | 20.2 | 19.3 | 18.6 | 15.8 | 12.6 | 10.4 | 10.1 | 12.5 | 14.0 | 14.4 | 18.1 | 17.3 |
| Average night temperature (°C) | 15.0 | 15.4 | 14.4 | 10.4 | 7.8 | 5.0 | 3.8 | 5.6 | 8.0 | 9.4 | 12.5 | 13.2 |
| Absolute minimum temperature (°C) | 8.0 | 11.0 | 8.5 | 5.2 | 2.7 | 1.3 | 0.6 | 1.0 | 3.2 | 3.8 | 4.1 | 10.5 |
| 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) | 13.9 | 13.2 | 12.3 | 11.3 | 10.6 | 10.2 | 10.4 | 11.0 | 11.9 | 12.8 | 13.7 | 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) | 10.0 | 7.9 | 8.8 | 8.9 | 7.2 | 8.2 | 8.8 | 9.3 | 9.1 | 7.8 | 10.2 | 6.7 |
| Precipitation (mm) | 186 | 221 | 78 | 50 | 161 | 19 | 12 | 7 | 50 | 201 | 55 | 197 |
| Sunny days | 9 | 4 | 5 | 13 | 15 | 23 | 22 | 25 | 16 | 10 | 11 | 4 |
| Rainy days | 22 | 24 | 26 | 17 | 16 | 7 | 9 | 6 | 14 | 21 | 19 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rockville is at