Average annual temperature is 20.1 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: 1.3 °C
Number of sunny days: 270 days
Number of rainy days: 95 days
Look at detailed online map of Radium
* Weather data for Radium 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) | 36.4 | 32.7 | 33.8 | 30.8 | 29.7 | 28.3 | 27.0 | 32.8 | 34.8 | 38.1 | 37.7 | 37.4 |
| Average daytime temperature (°C) | 30.8 | 27.7 | 29.6 | 27.4 | 23.7 | 22.4 | 20.4 | 24.9 | 30.3 | 30.8 | 31.5 | 30.7 |
| Average temperature (°C) | 24.6 | 22.2 | 23.2 | 19.9 | 16.7 | 13.7 | 12.5 | 16.2 | 21.6 | 22.6 | 24.2 | 24.1 |
| Average night temperature (°C) | 18.4 | 17.7 | 17.1 | 12.8 | 10.8 | 6.6 | 5.6 | 8.1 | 13.1 | 14.8 | 17.3 | 18.0 |
| Absolute minimum temperature (°C) | 15.1 | 14.6 | 12.7 | 9.5 | 4.6 | 3.8 | 1.3 | 2.6 | 8.8 | 9.1 | 8.3 | 13.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.5 | 12.9 | 12.2 | 11.5 | 10.9 | 10.6 | 10.7 | 11.3 | 11.9 | 12.7 | 13.3 | 13.7 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 11.9 | 10.2 | 10.4 | 10.3 | 9.4 | 9.7 | 9.4 | 10.3 | 10.9 | 10.3 | 11.5 | 10.7 |
| Precipitation (mm) | 37 | 124 | 45 | 3 | 55 | 1 | 17 | 0 | 20 | 71 | 29 | 103 |
| Sunny days | 22 | 8 | 19 | 25 | 21 | 29 | 29 | 31 | 27 | 23 | 22 | 14 |
| Rainy days | 9 | 20 | 12 | 5 | 10 | 1 | 2 | 0 | 3 | 8 | 8 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Radium is at