Moonta Bay Weather Forecast
- 11
- 26
Cloud clearing
- 10
- 29
Sunny
- 14
- 33
Sunny
- 17
- 36
Sunny
- 19
- 37
Sunny
- 18
- 29
Partly cloudy
- 11
- 25
Cloud clearing
Today 25 Dec Yorke Peninsula
Cloud clearing. Winds southeasterly 25 to 40 km/h. Overnight temperatures falling to between 10 and 13 with daytime temperatures reaching the low to mid 20s.
Spencer Gulf Coastal Waters
- Wind
- Southeasterly 15 to 25 knots, reaching up to 30 knots north of Cowell to Wallaroo during the afternoon and evening.
- Seas
- 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2.5 metres by early evening.
- 1st Swell
- South to southwesterly around 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
- Weather
- Cloud clearing.
Moonta Bay Temperature Statistics View More
December Temperature
Kadina Airport (13km)
Lowest 8 December, 2025
7 °CAverage December
20.6 °CHighest 18 December, 2025
41.4 °C
Climate (2020–Present)
Kadina Airport (13km)
Average Low 2020–2025
10 °CAverage 2020–2025
16.3 °CAverage High 2020–2025
23.4 °C