December in Atlantis averages a daily high of 31.2°C with nights around 14°C. Expect roughly 4.5 wet days totalling 34.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Atlantis is August–November.
Based on MALMESBURY, SF (24.3km), 1995–2024. 23 years of December data.