Mullalyup Weather Forecast

    • 8
    • 27

    Sunny

    • 11
    • 32

    Sunny

    • 15
    • 37

    Sunny

    • 17
    • 36

    Sunny

    • 17
    • 33

    Partly cloudy

Today 18 Jan South West

Sunny. Light winds becoming southerly 15 to 25 km/h in the middle of the day then tending southeasterly 15 to 20 km/h in the late evening. Overnight temperatures falling to between 7 and 11 with daytime temperatures reaching 23 to 29.

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Mullalyup Temperature Statistics View More

January Temperature

Jarrahwood (26km)

  • Lowest 8 January, 2026

    8.5 °C

  • Average January

    23.1 °C

  • Highest 4 January, 2026

    37.2 °C

Climate (2021–Present)

Jarrahwood (26km)

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  • Average Low 2021–2026

    9.2 °C

  • Average 2021–2026

    16.3 °C

  • Average High 2021–2026

    23.8 °C
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