Ulmarra Weather Forecast
- 20
- 32
Partly cloudy
- 20
- 28
Cloudy
- 19
- 26
Showers increasing
- 17
- 31
Partly cloudy
- 20
- 33
Possible afternoon storm
- 21
- 31
Possible shower or storm
- 20
- 25
Shower or two
Today 10 Dec Northern Rivers
Mostly sunny. The chance of a thunderstorm in the afternoon and evening. Winds east to northeasterly 15 to 25 km/h becoming light in the late evening. Daytime maximum temperatures around 30.
Ulmarra Temperature Statistics View More
December Temperature
Grafton (Agricultural Research and Advisory Station) (6km)
Lowest 3 December, 2025
13.3 °CAverage December
22.7 °CHighest 6 December, 2025
35.9 °C
Climate (2020–Present)
Grafton (Agricultural Research and Advisory Station) (6km)
Average Low 2020–2025
14.2 °CAverage 2020–2025
19.2 °CAverage High 2020–2025
25.8 °C