Mullalyup Weather Forecast
- 12
- 30
Partly cloudy
- 13
- 22
Cloudy
- 8
- 26
Partly cloudy
- 10
- 25
Cloudy
- 11
- 30
Partly cloudy
- 13
- 33
Sunny
- 18
- 37
Partly cloudy
Today 19 Dec South West
Mostly sunny. Winds east to southeasterly 15 to 25 km/h turning southerly 20 to 30 km/h in the late morning. Overnight temperatures falling to between 11 and 14 with daytime temperatures reaching 25 to 32.
Mullalyup Temperature Statistics View More
December Temperature
Jarrahwood (26km)
Lowest 4 December, 2025
7 °CAverage December
22.1 °CHighest 14 December, 2025
37 °C
Climate (2020–Present)
Jarrahwood (26km)
Average Low 2020–2025
9.2 °CAverage 2020–2025
16.3 °CAverage High 2020–2025
23.8 °C