In December, Melbourne typically sees daytime highs of 23.4°C and overnight lows around 11.9°C. Compared to the annual average high of 19.4°C, December runs +4.0°C.
December in Melbourne averages a daytime high of 23.4°C and an overnight low of 11.9°C.
December runs +4.0°C compared to Melbourne's annual average high of 19.4°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 23.4°C and cooler evenings around 11.9°C.