In December, Geelong typically sees daytime highs of 22.9°C and overnight lows around 11.8°C. Compared to the annual average high of 18.7°C, December runs +4.2°C.
December in Geelong averages a daytime high of 22.9°C and an overnight low of 11.8°C.
December runs +4.2°C compared to Geelong's annual average high of 18.7°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 22.9°C and cooler evenings around 11.8°C.