Rose Valley Weather Forecast

    • 20
    • 29

    Shower or two. Possible storm

    • 23
    • 28

    Possible shower

    • 18
    • 27

    Shower or two

    • 16
    • 28

    Late shower or two

    • 17
    • 22

    Shower or two

    • 15
    • 22

    Partly cloudy

    • 15
    • 22

    Partly cloudy

Today 21 Dec Illawarra

Becoming cloudy. High chance of showers, most likely during this afternoon and evening. A thunderstorm likely during this afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Light winds becoming northwest to northeasterly 15 to 20 km/h in the middle of the day then tending west to northwesterly 15 to 25 km/h in the late afternoon. Daytime maximum temperatures 30 to 36.

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Rose Valley Temperature Statistics View More

December Temperature

Kiama (Bombo Headland) (8km)

  • Lowest 2 December, 2025

    11.9 °C
  • Average December

    20.6 °C
  • Highest 5 December, 2025

    32.5 °C

Climate (2020–Present)

Kiama (Bombo Headland) (8km)

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  • Average Low 2020–2025

    14.7 °C
  • Average 2020–2025

    17.8 °C
  • Average High 2020–2025

    21.4 °C
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