In December, Mandurah typically sees daytime highs of 25.1°C and overnight lows around 15.5°C. Compared to the annual average high of 22.1°C, December runs +3.0°C.
December in Mandurah averages a daytime high of 25.1°C and an overnight low of 15.5°C.
December runs +3.0°C compared to Mandurah's annual average high of 22.1°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 25.1°C and cooler evenings around 15.5°C.