In December, Mackay typically sees daytime highs of 30.1°C and overnight lows around 22.0°C. Compared to the annual average high of 26.9°C, December runs +3.2°C.
December in Mackay averages a daytime high of 30.1°C and an overnight low of 22.0°C.
December runs +3.2°C compared to Mackay's annual average high of 26.9°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 30.1°C and cooler evenings around 22.0°C.