Avalon Weather Forecast
- 17
- 28
Sunny
- 17
- 30
Sunny
- 20
- 30
Sunny
- 19
- 31
Sunny
- 17
- 34
Sunny
- 22
- 38
Mostly sunny
- 25
- 35
Partly cloudy
Today 9 Dec Mandurah
Sunny. Winds southeast to southwesterly 15 to 25 km/h increasing to 25 to 35 km/h in the middle of the day then becoming southeasterly 20 to 25 km/h in the late evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- South to southeasterly 15 to 20 knots tending south to southwesterly 15 to 25 knots in the morning then turning southeasterly 15 to 20 knots in the late evening. Winds reaching up to 30 knots in the late afternoon.
- Seas
- 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2 metres during the afternoon.
- 1st Swell
- Southwesterly around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre during the afternoon.
- Weather
- Sunny.
Avalon Temperature Statistics View More
December Temperature
Mandurah (10km)
Lowest 4 December, 2025
16.1 °CAverage December
21.2 °CHighest 1 December, 2025
35.7 °C
Climate (2020–Present)
Mandurah (10km)
Average Low 2020–2025
15.1 °CAverage 2020–2025
19.2 °CAverage High 2020–2025
23.8 °C