Hoi An
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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.

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

Hoi An Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Hoi An - and find the best time to visit.

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 records 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 36 years of weather observations (1990-2026), 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
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Swimming
    9/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    7/10
  • Outdoor sports
    7/10

Hoi An 3-Day Forecast

More climate data for Hoi An

Popular in May

Where to go in May - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.