Hoi An Weather in May
May in Hoi An brings very high temperatures, with highs of 33°C (91°F) and nights dropping to 26°C (79°F). Rainfall is on the higher side this month, averaging around 110 mm (4.3 in), so keep a rain jacket handy.
Rainfall in Hoi An in May
Looking at the last 30 years, the data shows about 14 days with rain, averaging 110 mm (4.3 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Hoi An in May
In May, Hoi An sees very high temperatures, with highs of 33°C (91°F). Nights drop to around 26°C (79°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights are warm at 26°C (79°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.
Sunshine in Hoi An in May
Expect sunny days throughout the month, with an estimated 250 hours of sunshine. This makes it a pleasant time to visit Hoi An.May in Hoi An has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vietnam, check out our Hoi An's climate page.
Hoi An Temperature in May
Min Temperature
26°C (79°F)
Max Temperature
33°C (91°F)
Chance of Rain
46%
Precipitation
110 mm (4.3 in)
Rainy days
14 days
Humidity
80%
Sunshine
250 hours
Percentage Sunshine
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Hoi An typically stay consistent throughout May, with daily highs averaging around 33°C (91°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in May
Daily Historical Precipitation
48-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Hoi An in May
Browse day-by-day weather records for Hoi An spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hoi An historical weather extremes in May
Based on 35 years of weather observations (1990-2025), these are the most extreme conditions recorded in Hoi An.
- Hoi An recorded its highest May temperature of 40°C (104°F) on May 21, 2020.
- The lowest daytime temperature in May was 25°C (77°F), recorded on May 3, 2022.
- The lowest overnight temperature recorded in May was 13°C (55°F) (May 1, 2011).
Best Places in Vietnam in May
Find out more about the weather in Vietnam and which places have the best travel conditions in this month. See all of Vietnam in May →
perfect weather
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tolerable
unpleasant
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What to Wear in Hoi An in May
Warm but pleasant conditions in Hoi An in May. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Hoi An in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vietnam, check out our Hoi An's climate page.
Temperature Rainfall Sunshine Humidity
See the full Hoi An climate overview or explore weather in Vietnam.
