Brunswick River - Mullumbimby Weather Forecast
- 19
- 27
Partly cloudy
- 19
- 26
Shower or two
- 18
- 27
Possible shower
- 20
- 30
Partly cloudy
- 21
- 31
Shower or two
- 21
- 24
Showers. Becoming windy
- 19
- 24
Possible shower
Today 11 Dec Northern Rivers
Partly cloudy. The chance of fog early this morning. Medium chance of showers in the south, slight chance elsewhere. The chance of a thunderstorm during this afternoon and early evening. Light winds becoming east to southeasterly 15 to 20 km/h in the middle of the day then becoming light in the late evening. Daytime maximum temperatures around 30.
Brunswick River - Mullumbimby Temperature Statistics View More
December Temperature
Cape Byron (16km)
Lowest 3 December, 2025
16.6 °CAverage December
22.9 °CHighest 9 December, 2025
29.7 °C
Climate (2020–Present)
Cape Byron (16km)
Average Low 2020–2025
17.3 °CAverage 2020–2025
20.2 °CAverage High 2020–2025
23.7 °C