Average annual temperature is 13.9 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -1.0 °C
Number of sunny days: 182 days
Number of rainy days: 183 days
Look at detailed online map of Illawarra
* Weather data for Illawarra 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) | 36.1 | 36.3 | 32.5 | 23.8 | 19.0 | 18.1 | 15.3 | 18.0 | 27.2 | 28.6 | 32.0 | 34.9 |
| Average daytime temperature (°C) | 28.1 | 26.4 | 23.0 | 18.7 | 14.5 | 12.6 | 12.6 | 14.1 | 18.4 | 18.6 | 23.1 | 24.6 |
| Average temperature (°C) | 20.7 | 19.4 | 16.8 | 13.7 | 9.9 | 9.3 | 8.3 | 9.3 | 12.2 | 12.8 | 16.5 | 18.2 |
| Average night temperature (°C) | 13.9 | 13.3 | 11.7 | 9.6 | 6.2 | 6.4 | 4.9 | 5.5 | 6.8 | 7.2 | 10.9 | 12.7 |
| Absolute minimum temperature (°C) | 10.4 | 8.8 | 8.3 | 5.2 | 2.4 | 1.5 | -1.0 | -0.2 | 0.2 | 3.1 | 6.2 | 8.5 |
| 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) | 14.4 | 13.5 | 12.3 | 11.1 | 10.2 | 9.7 | 9.9 | 10.7 | 11.9 | 13.0 | 14.1 | 14.7 |
| 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) | 12.1 | 11.2 | 9.3 | 7.1 | 6.4 | 4.9 | 5.8 | 6.5 | 9.7 | 9.7 | 10.9 | 10.6 |
| Precipitation (mm) | 9 | 20 | 37 | 75 | 40 | 158 | 36 | 37 | 13 | 35 | 26 | 77 |
| Sunny days | 26 | 20 | 14 | 11 | 14 | 5 | 11 | 12 | 22 | 15 | 20 | 12 |
| Rainy days | 5 | 8 | 17 | 19 | 17 | 25 | 20 | 19 | 8 | 16 | 10 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Illawarra during the most sunny months:
The largest precipitation sum in Illawarra is at