Hoi An vs Nha Trang

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Hoi An edges ahead as the better destination in May. Hoi An offers 11 hours of daily sunshine with only 15 rain days, while Nha Trang sees 11 sunshine hours and 23 rain days.

Hoi An can feel quite hot at 32°C, so plan for heat. Nha Trang runs hot at 32°C.

For travelers who prioritize dry weather, Hoi An is the stronger choice in May.

Hoi An reaches an average high of 32°C (90°F) and drops to 26°C (79°F) at night during May. The daily temperature range is 6°C, meaning relatively stable temperatures from day to night.

Nha Trang averages 32°C (90°F) for the high and 26°C (79°F) for the low, with a daily range of 6°C. The two cities feel quite similar in terms of temperature.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in May.

Hoi An receives approximately 113 mm of rainfall across 15 rain days during May. Rain is frequent, so waterproof gear is essential.

Nha Trang sees 221 mm over 23 rain days. That makes Hoi An the drier option by 8 rain days and 108 mm of total precipitation.

Humidity also differs: Hoi An averages 78% while Nha Trang sits at 82%. Nha Trang will feel muggier, especially at higher temperatures.