Belmont Weather Forecast

    • 24
    • 40

    Shower or two. Storm

    • 23
    • 34

    Possible afternoon storm

    • 19
    • 28

    Partly cloudy

    • 17
    • 27

    Mostly sunny

    • 17
    • 32

    Sunny

    • 19
    • 34

    Sunny

    • 17
    • 26

    Mostly sunny

Today 14 Dec Perth

Partly cloudy. Medium chance of showers, most likely in the afternoon and early evening. A thunderstorm likely in the morning and afternoon, possibly severe with damaging winds. Winds easterly 25 to 40 km/h decreasing to 20 to 30 km/h in the middle of the day then turning northeasterly in the late evening.

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  • Temperature Forecast Bureau of Meteorology

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Belmont Temperature Statistics View More

December Temperature

Perth Airport (5km)

  • Lowest 4 December, 2025

    12.7 °C

  • Average December

    23.5 °C

  • Highest 1 December, 2025

    39.7 °C

Climate (2020–Present)

Perth Airport (5km)

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  • Average Low 2020–2025

    12.9 °C

  • Average 2020–2025

    19 °C

  • Average High 2020–2025

    26.1 °C
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