Coonamia Weather Forecast

    • 15
    • 29

    Mostly sunny

    • 16
    • 31

    Sunny

    • 19
    • 26

    Possible morning shower

    • 14
    • 28

    Mostly sunny

    • 14
    • 28

    Mostly sunny

    • 13
    • 28

    Sunny

    • 12
    • 27

    Mostly sunny

Today 30 Mar Mid North

Mostly sunny. Light winds becoming northerly 15 to 20 km/h in the morning then becoming light in the middle of the day. Daytime maximum temperatures in the mid to high 20s.

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  • Temperature Forecast Bureau of Meteorology

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Coonamia Temperature Statistics View More

March Temperature

Whyalla Airport (51km)

  • Lowest 14 March, 2026

    10.8 °C

  • Average March

    20.8 °C

  • Highest 10 March, 2026

    34.9 °C

Climate (2021–Present)

Whyalla Airport (51km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    17.5 °C

  • Average High 2021–2026

    23.8 °C
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