Yerriyong Weather Forecast

    • 16
    • 28

    Becoming cloudy

    • 15
    • 32

    Sunny day. Late shower or two

    • 15
    • 20

    Morning shower or two

    • 13
    • 21

    Partly cloudy

    • 11
    • 23

    Partly cloudy

    • 12
    • 25

    Mostly sunny

    • 13
    • 29

    Sunny

Today 23 Dec Illawarra

Mostly sunny. The chance of fog about higher ground in the early morning. Slight chance of a shower. Light winds becoming northwest to southwesterly 20 to 30 km/h in the morning then tending east to southeasterly in the late afternoon. Overnight temperatures falling to between 13 and 18 with daytime temperatures reaching around 30.

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Yerriyong Temperature Statistics View More

December Temperature

Nowra (RAN Air Station) (6km)

  • Lowest 1 December, 2025

    8.8 °C

  • Average December

    21.5 °C

  • Highest 19 December, 2025

    40 °C

Climate (2020–Present)

Nowra (RAN Air Station) (6km)

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  • Average Low 2020–2025

    12 °C

  • Average 2020–2025

    16.5 °C

  • Average High 2020–2025

    22.4 °C
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