Koonoomoo Weather Forecast

    • 14
    • 30

    Mostly sunny

    • 7
    • 24

    Mostly sunny

    • 7
    • 31

    Sunny

    • 14
    • 36

    Sunny

    • 19
    • 40

    Mostly sunny

    • 20
    • 38

    Shower or two

    • 18
    • 34

    Shower or two

Today 14 Dec Northern Country

Mostly sunny. Slight chance of a shower in the southeast early this morning. Near zero chance of rain elsewhere. Winds northwest to southwesterly 15 to 25 km/h tending west to southwesterly 25 to 35 km/h in the morning then tending south to southwesterly 25 to 40 km/h in the afternoon. Daytime maximum temperatures in the mid to high 20s.

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Koonoomoo Temperature Statistics View More

December Temperature

Yarrawonga (43km)

  • Lowest 3 December, 2025

    5.6 °C

  • Average December

    21.2 °C

  • Highest 5 December, 2025

    39.9 °C

Climate (2020–Present)

Yarrawonga (43km)

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  • Average Low 2020–2025

    8.9 °C

  • Average 2020–2025

    15.5 °C

  • Average High 2020–2025

    23 °C
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