Cronulla Weather Forecast

    • 22
    • 33

    Possible storm

    • 24
    • 29

    Possible shower

    • 20
    • 28

    Becoming windy. Partly cloudy

    • 19
    • 27

    Partly cloudy

    • 19
    • 23

    Shower or two

    • 18
    • 23

    Partly cloudy

    • 17
    • 23

    Partly cloudy

Today 21 Dec Sydney

Sunny morning. Slight chance of a shower in the afternoon and evening. The chance of a thunderstorm in the afternoon and early evening. Light winds becoming northwest to northeasterly 15 to 25 km/h in the middle of the day then tending south to southwesterly 15 to 20 km/h in the evening.

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Cronulla Temperature Statistics View More

December Temperature

Sydney Airport (12km)

  • Lowest 2 December, 2025

    13.4 °C

  • Average December

    23.1 °C

  • Highest 19 December, 2025

    42.6 °C

Climate (2020–Present)

Sydney Airport (12km)

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  • Average Low 2020–2025

    14.8 °C

  • Average 2020–2025

    18.6 °C

  • Average High 2020–2025

    23.3 °C
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