Summer Island Weather Forecast

    • 11
    • 24

    Sunny

    • 13
    • 27

    Sunny

    • 16
    • 30

    Sunny

    • 18
    • 31

    Becoming windy. Sunny

    • 19
    • 28

    Shower or two

    • 17
    • 25

    Possible shower

    • 17
    • 30

    Sunny

Today 3 Dec Mid North Coast

Sunny. The chance of fog about higher ground in the early morning. Light winds becoming northeast to southeasterly 15 to 20 km/h in the middle of the day then becoming light in the evening. Overnight temperatures falling to between 6 and 12 with daytime temperatures reaching the low to high 20s.

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  • Temperature Forecast Bureau of Meteorology

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Summer Island Temperature Statistics View More

December Temperature

Kempsey Airport (21km)

  • Lowest 1 December, 2025

    11.6 °C

  • Average December

    19.2 °C

  • Highest 1 December, 2025

    28.2 °C

Climate (2020–Present)

Kempsey Airport (21km)

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  • Average Low 2020–2025

    12.3 °C

  • Average 2020–2025

    17.8 °C

  • Average High 2020–2025

    25 °C
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