Longs Rock Weather Forecast

    • 7
    • 23

    Partly cloudy

    • 11
    • 29

    Partly cloudy

    • 13
    • 30

    Partly cloudy

    • 16
    • 27

    Partly cloudy

    • 14
    • 20

    Cloudy

    • 12
    • 19

    Shower

    • 12
    • 19

    Shower

Today 16 Dec Lower South East

Sunny. Light winds becoming southeasterly 15 to 25 km/h in the early afternoon then becoming light in the evening. Overnight temperatures falling to around 5 with daytime temperatures reaching 24 to 30.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Variable about 10 knots becoming east to southeasterly 10 to 15 knots in the middle of the day. Winds reaching up to 20 knots inshore during the afternoon and evening.
Seas
Below 1 metre, decreasing below 0.5 metres during the morning, then increasing to around 1 metre around midday.
1st Swell
Southwesterly 3 to 4 metres, tending southerly 2.5 to 4 metres during the morning, then tending south to southwesterly 1.5 to 2.5 metres during the afternoon.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Longs Rock Temperature Statistics View More

December Temperature

Mount Gambier Airport (39km)

  • Lowest 7 December, 2025

    4.7 °C

  • Average December

    15 °C

  • Highest 12 December, 2025

    32.6 °C

Climate (2020–Present)

Mount Gambier Airport (39km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    13.6 °C

  • Average High 2020–2025

    19.9 °C
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