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.
Merrimu Temperature Statistics View More
December Temperature
Melbourne Airport (31km)
Lowest 7 December, 2025
6.3 °CAverage December
16.5 °CHighest 4 December, 2025
34.1 °C
Climate (2020–Present)
Melbourne Airport (31km)
Average Low 2020–2025
9.8 °CAverage 2020–2025
14.6 °CAverage High 2020–2025
20.4 °C