Mount Keira Weather Forecast

    • 10
    • 25

    Partly cloudy

    • 13
    • 31

    Sunny

    • 17
    • 35

    Partly cloudy

    • 20
    • 36

    Shower

    • 17
    • 21

    Shower

    • 14
    • 26

    Partly cloudy

    • 15
    • 31

    Partly cloudy

Today 3 Dec Illawarra

Sunny. The chance of fog inland in the early morning. Light winds becoming northwest to southwesterly 15 to 25 km/h in the morning then becoming light in the late evening. Overnight temperatures falling to between 4 and 11 with daytime temperatures reaching the mid to high 20s.

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Mount Keira Temperature Statistics View More

December Temperature

Moss Vale (41km)

  • Lowest 2 December, 2025

    5.5 °C

  • Average December

    10.8 °C

  • Highest 1 December, 2025

    17.8 °C

Climate (2020–Present)

Moss Vale (41km)

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  • Average Low 2020–2025

    8.5 °C

  • Average 2020–2025

    12.9 °C

  • Average High 2020–2025

    18.8 °C
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