Illaroo Weather Forecast
- 13
- 31
Mostly sunny
- 14
- 35
Sunny
- 16
- 25
Partly cloudy
- 15
- 21
Shower or two
- 14
- 23
Shower or two
- 15
- 29
Shower or two
- 16
- 29
Shower or two
Today 8 Dec Illawarra
Mostly sunny. Winds northwest to northeasterly 20 to 30 km/h. Daytime maximum temperatures 27 to 32.
Illaroo Temperature Statistics View More
December Temperature
Nowra (RAN Air Station) (12km)
Lowest 1 December, 2025
8.8 °CAverage December
21.4 °CHighest 6 December, 2025
39.5 °C
Climate (2020–Present)
Nowra (RAN Air Station) (12km)
Average Low 2020–2025
12 °CAverage 2020–2025
16.5 °CAverage High 2020–2025
22.4 °C