Merrimu Weather Forecast

    • 19
    • 29

    Showers. Storm developing

    • 11
    • 21

    Cloudy

    • 8
    • 18

    Cloudy

    • 9
    • 20

    Partly cloudy

    • 9
    • 33

    Sunny

    • 17
    • 37

    Mostly sunny

    • 16
    • 29

    Possible shower

Today 13 Dec Melbourne

Partly cloudy. Medium chance of showers, most likely in the evening. A thunderstorm likely in the afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Winds northwest to southwesterly 15 to 20 km/h tending south to southwesterly 15 to 25 km/h in the evening then becoming light in the late evening.

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  • Temperature Forecast Bureau of Meteorology

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Merrimu Temperature Statistics View More

December Temperature

Melbourne Airport (31km)

  • Lowest 7 December, 2025

    6.3 °C
  • Average December

    16.5 °C
  • Highest 4 December, 2025

    34.1 °C

Climate (2020–Present)

Melbourne Airport (31km)

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  • Average Low 2020–2025

    9.8 °C
  • Average 2020–2025

    14.6 °C
  • Average High 2020–2025

    20.4 °C
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