St Peters Weather Forecast

    • 19
    • 31

    Sunny

    • 22
    • 33

    Mostly sunny

    • 21
    • 31

    Shower or two

    • 21
    • 32

    Possible shower or storm

    • 23
    • 31

    Shower or two

    • 20
    • 27

    Shower or two

    • 19
    • 29

    Partly cloudy

Today 18 Dec Sydney

Sunny. The chance of fog in the outer west in the early morning. Winds north to northeasterly 15 to 25 km/h tending east to northeasterly 20 to 30 km/h in the early afternoon then tending north to northeasterly 15 to 25 km/h in the evening.

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St Peters Temperature Statistics View More

December Temperature

Sydney Airport (3km)

  • Lowest 2 December, 2025

    13.4 °C

  • Average December

    22.4 °C

  • Highest 6 December, 2025

    39.2 °C

Climate (2020–Present)

Sydney Airport (3km)

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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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