Hoi An weather in May
Hoi An averages 32°C by day and 26°C at night in May, with the sea at 28°C and 13 days with at least 1 mm of rain. It warms up by about 2°C into June.
Day
32°C
Night
26°C
Sea
28°C
Rainy days
13
Flight from London
12h
What May feels like
May is hot but wet in Hoi An: rainy season, so pack for showers.
The sea is warm at 28°C: comfortable for long swims.
It is rainy season, with rain on about 13 days.
Of the 48 sun destinations we track, Hoi An is the #7 warmest in May.
Want it warmer in May?
These are hotter than Hoi An this month for at most an hour and a half more flying:
Hoi An weather by month
May is highlighted. Compare with April and June, or see the full year in Hoi An.
Hoi An in May: quick answers
Is Hoi An hot in May?
May is hot but wet in Hoi An: rainy season, so pack for showers. Average highs are 32°C and lows 26°C.
Can you swim in Hoi An in May?
The sea is warm at 28°C: comfortable for long swims.
Does it rain in Hoi An in May?
It is rainy season, with rain on about 13 days.
What is the warmest month in Hoi An?
June, at an average high of 34°C. The coolest is January at 24°C.
How long is the flight to Hoi An from the UK?
About 12h direct from London, estimated from the 9,873 km distance. Check your airline for exact times.
Still choosing? See where is hot in May for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in May from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. A rainy day has at least 1 mm of rain. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.
Planning Hoi An in May?
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