30YearWeather
Hoi An
When to avoid visiting Hoi An, Vietnam
Seasonal Comparison

Least Favorable Months in Hoi An

Based on 30 years of NASA satellite data, Hoi An enjoys relatively good weather year-round. However, if you're comparing months, May, June, August are the least favorable — though still perfectly visitable.

May48/100June48/100August48/100

Good news: Hoi An has no truly bad months!

With a score of 48/100, even May(the "worst" month) is still a reasonable time to visit. These months are simply the least favorable compared to other months in Hoi An, not objectively bad. Many travelers enjoy visiting during these periods and benefit from lower prices and fewer crowds.

Why May is the Least Favorable (But Still Okay) Time to Visit Hoi An

Is May a Good Time to Visit Hoi An?

🤔Requires preparation but many visit successfully
Short Answer

Storm season alert for Hoi An in May: beyond the 32°C, 31% rain averages, hurricane risk requires travel insurance and schedule flexibility.

Decision Factors

Typhoon season active

Western Pacific zone - expect potential typhoon activity

Oppressive heat and humidity

32.2°C with 81% humidity - challenging conditions

Very hot conditions

32.2°C average highs - limit midday exposure

Vaccinations required

Yellow Fever

Feels significantly hotter than 32.2°C

Heat index: 46°C due to 81% humidity

Warm tropical seas

27.9°C sea temperature - Hot Soup

Good For

  • 🏖️
    Beach lovers

    27.9°C warm seas and 31% rain probability

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 👨‍👩‍👧‍👦
    Families with children

    46°C heat index dangerous for children

  • 👴
    Elderly travelers

    Heat index of 46°C poses health risks

  • 🥾
    Outdoor enthusiasts

    Extreme conditions limit outdoor activity options

  • 💼
    Business travelers

    Storm season may cause flight disruptions

930 observations30-year historical data
Confidence: 99%

Key Challenges During These Months

Extreme Heat

Temperatures can become dangerously hot with oppressive humidity

Storm Season

Typhoons or hurricanes can disrupt travel and cause dangerous conditions

Months to Avoid: Detailed Breakdown

Worst48

May

Typhoon season active, Oppressive heat and humidity

View details
2nd Worst48

June

Typhoon season active, Oppressive heat and humidity

View details
3rd Worst48

August

Typhoon season active, Oppressive heat and humidity

View details

Looking for the Best Time Instead?

Discover the optimal months to visit Hoi An with ideal weather conditions, fewer crowds, and better prices.

Best Time to Visit Hoi An

Frequently Asked Questions

When should I avoid visiting Hoi An?

Based on 30 years of data, the most challenging months are May, June, August. Primary concerns include: typhoon season active, oppressive heat and humidity.

What is the worst month to visit Hoi An?

May is typically the most challenging month, scoring only 48/100 in our travel conditions analysis.

Can I still visit during these months?

Yes, many travelers still visit during challenging months. Come prepared with appropriate gear, flexible bookings, and backup plans. Lower prices and fewer tourists can offset the weather challenges.

Are hotels cheaper during these months?

Often yes. Low season typically means reduced hotel rates, easier reservations, and fewer crowds at popular attractions. Some travelers prefer this trade-off.