May in Nha Trang 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 Nha Trang is January–February.
Based on NHA TRANG, VM (1.4km), 1995–2024. 21 years of May data.