Half Moon Bay Weather Forecast
- 14
- 20
Partly cloudy
- 11
- 19
Cloudy
- 11
- 19
Partly cloudy
- 11
- 28
Partly cloudy
- 15
- 21
Shower or two
- 11
- 21
Cloudy
- 11
- 19
Cloudy
Today 9 Dec Geelong and Surf Coast
Slight chance of a shower in the early morning. Mostly sunny afternoon. Winds west to southwesterly 15 to 20 km/h turning south to southeasterly 15 to 25 km/h in the early afternoon.
Port Phillip Local Waters
- Wind
- West to southwesterly 10 to 15 knots turning south to southeasterly in the afternoon. Winds reaching up to 20 knots in the north in the evening.
- Seas
- Around 1 metre.
- Weather
- Partly cloudy.
Half Moon Bay Temperature Statistics View More
December Temperature
Avalon Airport (23km)
Lowest 7 December, 2025
6.6 °CAverage December
16 °CHighest 4 December, 2025
34.8 °C
Climate (2020–Present)
Avalon Airport (23km)
Average Low 2020–2025
9.6 °CAverage 2020–2025
14.5 °CAverage High 2020–2025
20.4 °C