May in Cam Ranh averages a daily high of 32.4°C with nights around 26.6°C. Expect roughly 8.3 wet days totalling 81.8mm. 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. 21 years of May data.