Hawkesbury River - Gunderman Weather Forecast

    • 16
    • 33

    Partly cloudy

    • 18
    • 24

    Shower

    • 15
    • 21

    Cloudy

    • 12
    • 24

    Partly cloudy

    • 12
    • 25

    Cloudy

    • 14
    • 27

    Partly cloudy

    • 13
    • 30

    Partly cloudy

Today 24 Dec Sydney

Mostly sunny. Slight chance of a shower along the coastal fringe later tonight. Near zero chance of rain elsewhere. Winds north to northwesterly 15 to 20 km/h shifting southerly 20 to 30 km/h during the afternoon and evening.

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Hawkesbury River - Gunderman Temperature Statistics View More

December Temperature

Mangrove Mountain (22km)

  • Lowest 2 December, 2025

    7.3 °C

  • Average December

    22 °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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