The weather in Deniliquin in December is hot. The average temperatures are between 17°C and 31°C. Usually the days in December are hot while the nights are a bit cooler.
You can expect about 3 to 8 days of rain in Deniliquin during the month of December. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Deniliquin in December 2025.
If you’re planning to visit Deniliquin in the near future, we highly recommend that you review the 14 day weather forecast for Deniliquin before you arrive.
Temperatures
31° / 17°
Rainy Days
3
Snowy Days
0
Dry Days
28
Rainfall
53
mm
Sun Hours
11.6
Hrs