Average annual temperature is 13.9 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -4.9 °C
Number of sunny days: 196 days
Number of rainy days: 166 days
Number of snow days: 3 days
Look at detailed online map of Hillside
* Weather data for Hillside 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) | 31.9 | 28.8 | 27.1 | 25.4 | 22.2 | 18.5 | 20.4 | 22.7 | 28.8 | 30.3 | 35.2 | 33.0 |
| Average daytime temperature (°C) | 25.5 | 23.4 | 24.0 | 20.5 | 15.7 | 12.6 | 13.2 | 17.5 | 19.8 | 21.0 | 26.7 | 25.0 |
| Average temperature (°C) | 19.2 | 17.4 | 17.1 | 14.2 | 10.2 | 7.7 | 7.5 | 10.8 | 12.9 | 13.6 | 18.9 | 17.3 |
| Average night temperature (°C) | 13.4 | 12.5 | 11.6 | 8.6 | 5.7 | 3.7 | 2.4 | 4.5 | 6.0 | 7.1 | 11.2 | 11.2 |
| Absolute minimum temperature (°C) | 6.6 | 7.7 | 5.0 | 2.5 | -0.6 | -1.7 | -3.5 | -3.0 | -4.9 | 0.1 | 3.1 | 7.1 |
| 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 | 14.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.5 | 10.1 | 10.3 | 11.0 | 11.9 | 12.9 | 13.7 | 14.2 |
| 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 | 14.0 |
| Sunshine mean duration (h) | 11.1 | 10.3 | 10.8 | 9.9 | 8.2 | 8.7 | 8.6 | 9.8 | 9.9 | 10.1 | 11.6 | 10.6 |
| Precipitation (mm) | 156 | 148 | 54 | 22 | 83 | 8 | 17 | 3 | 37 | 36 | 39 | 134 |
| Sunny days | 7 | 5 | 10 | 21 | 18 | 24 | 23 | 27 | 24 | 16 | 17 | 4 |
| Rainy days | 24 | 23 | 21 | 9 | 13 | 6 | 5 | 4 | 6 | 15 | 13 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Hillside is at