December in Cam Ranh averages a daily high of 27.5°C. Expect roughly 13.6 wet days totalling 167.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Cam Ranh is January–February.
Based on NHA TRANG, VM (35km), 1995–2024. 16 years of December data.