Average annual temperature is 15.2 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: 4.2 °C
Number of sunny days: 159 days
Number of rainy days: 206 days
Look at detailed online map of Onkaparinga
* Weather data for Onkaparinga 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) | 37.7 | 37.5 | 29.6 | 26.3 | 20.6 | 22.0 | 17.6 | 22.3 | 27.5 | 28.5 | 37.2 | 31.6 |
| Average daytime temperature (°C) | 27.0 | 26.0 | 22.1 | 19.5 | 15.3 | 14.5 | 13.5 | 15.1 | 19.1 | 18.7 | 22.0 | 22.6 |
| Average temperature (°C) | 20.4 | 20.4 | 17.4 | 15.7 | 12.4 | 12.0 | 10.6 | 11.5 | 14.6 | 14.2 | 16.0 | 17.5 |
| Average night temperature (°C) | 15.7 | 16.2 | 13.8 | 12.7 | 10.1 | 10.1 | 8.2 | 8.5 | 10.4 | 10.3 | 11.8 | 13.6 |
| Absolute minimum temperature (°C) | 11.6 | 11.8 | 10.8 | 8.9 | 5.2 | 4.8 | 4.4 | 4.2 | 5.3 | 5.0 | 9.5 | 10.8 |
| 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 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.2 | 13.4 | 12.3 | 11.2 | 10.3 | 9.8 | 10.0 | 10.8 | 11.9 | 13.0 | 14.0 | 14.5 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 11.6 | 10.9 | 9.5 | 8.4 | 6.3 | 6.0 | 6.8 | 7.8 | 10.5 | 11.0 | 11.5 | 10.1 |
| Precipitation (mm) | 34 | 38 | 43 | 95 | 120 | 274 | 103 | 64 | 46 | 45 | 60 | 106 |
| Sunny days | 24 | 17 | 11 | 13 | 6 | 4 | 8 | 9 | 19 | 15 | 22 | 11 |
| Rainy days | 7 | 11 | 20 | 17 | 25 | 26 | 23 | 22 | 11 | 16 | 8 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Onkaparinga during the most sunny months:
The largest precipitation sum in Onkaparinga is at