Average annual temperature is 14.2 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -4.2 °C
Number of sunny days: 231 days
Number of rainy days: 132 days
Number of snow days: 2 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) | 34.3 | 31.0 | 29.9 | 26.8 | 23.6 | 19.6 | 20.2 | 22.9 | 29.9 | 31.5 | 36.7 | 35.1 |
| Average daytime temperature (°C) | 27.9 | 25.6 | 25.5 | 21.7 | 16.9 | 13.4 | 14.1 | 18.4 | 20.8 | 23.7 | 28.6 | 27.8 |
| Average temperature (°C) | 20.3 | 18.5 | 17.7 | 13.9 | 9.8 | 6.5 | 6.9 | 10.1 | 12.8 | 15.3 | 20.1 | 19.2 |
| Average night temperature (°C) | 13.4 | 12.6 | 11.0 | 6.8 | 3.9 | 0.9 | 0.7 | 2.4 | 5.2 | 7.5 | 11.3 | 12.2 |
| Absolute minimum temperature (°C) | 7.3 | 7.8 | 4.5 | 0.5 | -2.8 | -2.0 | -4.0 | -4.2 | -3.4 | 1.1 | 4.8 | 8.1 |
| 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 | 14.1 |
| 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) | 11.8 | 10.8 | 10.5 | 9.8 | 8.3 | 8.3 | 8.7 | 9.9 | 10.0 | 11.2 | 11.7 | 11.3 |
| Precipitation (mm) | 96 | 126 | 39 | 15 | 78 | 8 | 20 | 5 | 33 | 20 | 26 | 97 |
| Sunny days | 13 | 12 | 14 | 22 | 22 | 23 | 23 | 27 | 24 | 22 | 18 | 11 |
| Rainy days | 18 | 16 | 17 | 8 | 9 | 7 | 6 | 4 | 6 | 9 | 12 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Hillside is at