Munderoo Bay Weather Forecast
- 9
- 32
Sunny
- 13
- 34
Sunny
- 17
- 35
Cloudy
- 18
- 36
Partly cloudy
- 20
- 39
Partly cloudy
- 19
- 30
Windy
- 11
- 28
Windy
Today 8 Dec Yorke Peninsula
Sunny. Winds northwesterly 15 to 25 km/h tending northwest to southwesterly 20 to 25 km/h in the middle of the day then tending southeast to southwesterly 15 to 25 km/h in the late afternoon. Daytime maximum temperatures around 30.
Spencer Gulf Coastal Waters
- Wind
- North to northwesterly 10 to 15 knots becoming variable about 10 knots in the middle of the day then becoming southeast to southwesterly 10 to 15 knots in the early afternoon. Winds reaching up to 20 knots north of Cowell to Wallaroo in the evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres north of Cowell to Wallaroo by early evening.
- 1st Swell
- South to southwesterly around 1 metre south of Cowell to Wallaroo.
- Weather
- Sunny.
- Weather Situation
- A broad ridge extends over inland parts of the state while a weak cold front clips the southeast late Monday. From Tuesday another high pressure system develops south of the Bight, strengthening the ridge over the state ahead of a trough of low pressure developing across the far northwest late Tuesday persisting late into the week.
Munderoo Bay Temperature Statistics View More
December Temperature
Snowtown (34km)
Lowest 7 December, 2025
5.2 °CAverage December
19 °CHighest 4 December, 2025
39.6 °C
Climate (2020–Present)
Snowtown (34km)
Average Low 2020–2025
9 °CAverage 2020–2025
16 °CAverage High 2020–2025
24.2 °C