December in Cà Mau averages a daily high of 30.2°C with nights around 23.9°C. Expect roughly 7.9 wet days totalling 67.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Cà Mau is January–March.
Based on CA MAU, VM (0.7km), 1995–2024. 21 years of December data.