Average annual temperature is 19.5 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: 3.3 °C
Number of sunny days: 247 days
Number of rainy days: 118 days
Look at detailed online map of Ironstone
* Weather data for Ironstone 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 | 30.9 | 33.3 | 30.5 | 28.1 | 26.8 | 26.4 | 32.8 | 34.4 | 34.9 | 35.9 | 34.3 |
| Average daytime temperature (°C) | 29.8 | 27.3 | 28.9 | 27.3 | 22.7 | 22.6 | 20.5 | 24.1 | 28.7 | 28.3 | 29.4 | 27.8 |
| Average temperature (°C) | 23.2 | 21.9 | 22.3 | 20.2 | 16.3 | 14.6 | 13.1 | 16.2 | 20.9 | 20.9 | 22.3 | 22.1 |
| Average night temperature (°C) | 17.2 | 17.4 | 16.3 | 13.7 | 11.1 | 8.2 | 6.9 | 9.0 | 13.3 | 14.3 | 16.1 | 16.9 |
| Absolute minimum temperature (°C) | 13.4 | 13.7 | 13.9 | 10.6 | 7.8 | 6.6 | 3.3 | 4.3 | 8.8 | 9.6 | 10.1 | 13.4 |
| 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 | 10.8 | 11.3 | 11.9 | 12.7 | 13.3 | 13.6 |
| 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) | 11.5 | 10.2 | 10.8 | 10.3 | 8.8 | 9.7 | 9.5 | 10.2 | 10.7 | 10.2 | 11.2 | 10.4 |
| Precipitation (mm) | 70 | 128 | 25 | 4 | 70 | 2 | 17 | 0 | 29 | 118 | 84 | 127 |
| Sunny days | 20 | 6 | 17 | 24 | 17 | 28 | 28 | 31 | 25 | 23 | 14 | 14 |
| Rainy days | 11 | 22 | 14 | 6 | 14 | 2 | 3 | 0 | 5 | 8 | 16 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ironstone is at