In December, Canberra typically sees daytime highs of 25.7°C and overnight lows around 10.5°C. Compared to the annual average high of 19.4°C, December runs +6.2°C.
December in Canberra averages a daytime high of 25.7°C and an overnight low of 10.5°C.
December runs +6.2°C compared to Canberra's annual average high of 19.4°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 25.7°C and cooler evenings around 10.5°C.