Thelma Head Weather Forecast

    • 18
    • 25

    Cloudy

    • 18
    • 25

    Becoming windy. Partly cloudy

    • 14
    • 22

    Sunny

    • 14
    • 25

    Sunny

    • 15
    • 27

    Sunny

    • 17
    • 37

    Mostly sunny

    • 21
    • 29

    Sunny

Today 22 Dec Sydney

Cloudy. Slight chance of a shower. Light winds becoming northeasterly 20 to 30 km/h in the middle of the day then becoming light in the late evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Southerly 10 to 15 knots becoming variable about 10 knots early in the morning then becoming northeasterly 15 to 20 knots in the middle of the day.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southerly 1.5 to 2 metres, decreasing to 1.5 metres during the morning, then tending southeasterly 1.5 metres around midday.
Weather
Partly cloudy. The chance of a thunderstorm offshore south of Point Perpendicular in the evening.
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Thelma Head Temperature Statistics View More

December Temperature

Sydney Airport (27km)

  • Lowest 2 December, 2024

    17.1 °C

  • Average December

    23.4 °C

  • Highest 3 December, 2024

    35.1 °C

Climate (2019–Present)

Sydney Airport (27km)

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  • Average Low 2019–2024

    14.7 °C

  • Average 2019–2024

    18.6 °C

  • Average High 2019–2024

    23.3 °C
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