St George Weather Forecast
- 17
- 31
Shower or two. Storm
- 18
- 30
Showers. Possible storm
- 18
- 27
Possible shower
- 13
- 26
Shower or two
- 11
- 27
Sunny day. Late shower or two
- 11
- 22
Shower or two
- 9
- 21
Partly cloudy
Today 20 Dec South Coast
Partly cloudy. Medium chance of showers, becoming less likely in the evening. A thunderstorm likely in the afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Winds northwest to northeasterly 15 to 20 km/h tending northeast to southeasterly in the middle of the day then becoming light in the evening. Daytime maximum temperatures 27 to 33.
St George Temperature Statistics View More
December Temperature
Goulburn Airport (54km)
Lowest 3 December, 2025
2 °CAverage December
17.8 °CHighest 18 December, 2025
36 °C
Climate (2020–Present)
Goulburn Airport (54km)
Average Low 2020–2025
6.3 °CAverage 2020–2025
12.4 °CAverage High 2020–2025
19.8 °C