Lake Julius Weather Forecast

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Today 30 Dec North West

Cloudy. Very high chance of showers east of Mt Isa, medium chance elsewhere. The chance of a thunderstorm in the afternoon and evening. Heavy rain which may lead to flash flooding possible. Winds east to southeasterly 30 to 45 km/h. Overnight temperatures falling to between 18 and 21 with daytime temperatures reaching the mid to high 20s.

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  • Temperature Forecast Bureau of Meteorology

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Lake Julius Temperature Statistics View More

December Temperature

Mount Isa Airport (65km)

  • Lowest 4 December, 2025

    16.6 °C

  • Average December

    28.5 °C

  • Highest 7 December, 2025

    42.7 °C

Climate (2020–Present)

Mount Isa Airport (65km)

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  • Average Low 2020–2025

    17.1 °C

  • Average 2020–2025

    24.8 °C

  • Average High 2020–2025

    32.8 °C
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