Merilup Weather Forecast

    • 22
    • 40

    Partly cloudy

    • 19
    • 31

    Partly cloudy

    • 15
    • 27

    Cloudy

    • 13
    • 31

    Partly cloudy

    • 13
    • 25

    Partly cloudy

    • 11
    • 27

    Partly cloudy

    • 10
    • 28

    Sunny

Today 16 Dec Great Southern

Partly cloudy. The chance of smoke haze in the west during this afternoon and early evening. Winds northerly 20 to 30 km/h increasing to 40 km/h before shifting west to southwesterly 25 to 35 km/h in the afternoon, then decreasing to 15 to 25 km/h in the evening. Daytime maximum temperatures 36 to 41.

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  • Temperature Forecast Bureau of Meteorology

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Merilup Temperature Statistics View More

December Temperature

Lake Grace (34km)

  • Lowest 6 December, 2025

    10.8 °C

  • Average December

    22.3 °C

  • Highest 2 December, 2025

    37.3 °C

Climate (2020–Present)

Lake Grace (34km)

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  • Average Low 2020–2025

    10.4 °C

  • Average 2020–2025

    16.5 °C

  • Average High 2020–2025

    23.9 °C
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