Hawkesbury River - Gunderman Weather Forecast

    • 13
    • 27

    Shower

    • 15
    • 22

    Shower

    • 14
    • 25

    Cloudy

    • 14
    • 30

    Partly cloudy

    • 16
    • 31

    Storm

    • 18
    • 29

    Shower

    • 19
    • 29

    Cloudy

Today 31 Dec Sydney

Becoming cloudy. Medium chance of showers in the afternoon and evening. The chance of a thunderstorm in the outer west in the afternoon and evening. Winds southeasterly 15 to 25 km/h.

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Hawkesbury River - Gunderman Temperature Statistics View More

December Temperature

Mangrove Mountain (22km)

  • Lowest 27 December, 2025

    7 °C

  • Average December

    20.7 °C

  • Highest 21 December, 2025

    41 °C

Climate (2020–Present)

Mangrove Mountain (22km)

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  • Average Low 2020–2025

    11.2 °C

  • Average 2020–2025

    16.1 °C

  • Average High 2020–2025

    22.8 °C
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