Average annual temperature is 18.0 °C
Absolute maximum temperature: 44.3 °C
Absolute minimum temperature: 2.6 °C
Number of sunny days: 235 days
Number of rainy days: 130 days
Look at detailed online map of Whyalla
* Weather data for Whyalla Australia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 43.7 | 42.0 | 37.9 | 30.2 | 24.3 | 25.2 | 21.1 | 30.0 | 37.6 | 36.9 | 44.3 | 42.8 |
| Average daytime temperature (°C) | 30.2 | 30.0 | 26.7 | 23.2 | 19.3 | 18.0 | 17.0 | 19.2 | 24.6 | 23.5 | 25.0 | 26.9 |
| Average temperature (°C) | 24.2 | 24.4 | 21.3 | 17.9 | 14.3 | 13.1 | 11.7 | 13.5 | 17.8 | 17.7 | 19.8 | 21.4 |
| Average night temperature (°C) | 19.3 | 19.0 | 16.3 | 12.7 | 9.8 | 9.1 | 7.2 | 8.3 | 10.9 | 12.1 | 15.4 | 16.8 |
| Absolute minimum temperature (°C) | 15.1 | 13.6 | 12.9 | 8.1 | 6.6 | 4.8 | 2.7 | 2.6 | 5.5 | 8.5 | 12.6 | 13.0 |
| 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) | 14.0 | 13.3 | 12.3 | 11.3 | 10.4 | 10.0 | 10.2 | 10.9 | 11.9 | 12.9 | 13.8 | 14.3 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 12.0 | 11.7 | 10.2 | 9.2 | 8.0 | 7.3 | 8.4 | 8.8 | 10.9 | 11.6 | 12.3 | 11.5 |
| Precipitation (mm) | 27 | 4 | 19 | 39 | 20 | 50 | 9 | 26 | 6 | 7 | 27 | 114 |
| Sunny days | 24 | 20 | 20 | 19 | 14 | 15 | 20 | 16 | 23 | 22 | 23 | 19 |
| Rainy days | 7 | 8 | 11 | 11 | 17 | 15 | 11 | 15 | 7 | 9 | 7 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Whyalla is at