Average annual temperature is 15.1 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: 1.2 °C
Number of sunny days: 165 days
Number of rainy days: 200 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) | 32.6 | 31.9 | 29.4 | 28.9 | 28.5 | 24.1 | 26.3 | 29.7 | 33.7 | 35.4 | 34.1 | 27.7 |
| Average daytime temperature (°C) | 25.5 | 23.6 | 23.1 | 21.9 | 18.1 | 16.8 | 17.6 | 20.4 | 20.7 | 19.1 | 23.8 | 20.8 |
| Average temperature (°C) | 20.0 | 19.0 | 18.3 | 15.8 | 12.6 | 10.6 | 10.6 | 12.8 | 13.8 | 13.9 | 17.5 | 16.7 |
| Average night temperature (°C) | 15.5 | 15.4 | 14.4 | 11.1 | 8.1 | 5.8 | 5.1 | 7.0 | 8.6 | 9.4 | 12.4 | 13.1 |
| Absolute minimum temperature (°C) | 9.6 | 12.0 | 8.8 | 6.9 | 2.4 | 1.5 | 1.2 | 1.6 | 3.6 | 4.1 | 5.0 | 9.7 |
| 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 | 14.1 |
| 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 | 14.0 |
| Sunshine mean duration (h) | 9.4 | 7.6 | 8.4 | 8.7 | 7.0 | 7.8 | 8.9 | 9.0 | 8.7 | 8.0 | 9.1 | 6.1 |
| Precipitation (mm) | 137 | 167 | 63 | 49 | 161 | 23 | 18 | 5 | 50 | 167 | 54 | 149 |
| Sunny days | 12 | 4 | 8 | 15 | 14 | 23 | 21 | 23 | 18 | 10 | 12 | 5 |
| Rainy days | 19 | 24 | 23 | 15 | 17 | 7 | 10 | 8 | 12 | 21 | 18 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Hillside is at