30YearWeather
Key West
When to avoid visiting Key West, United States
Seasonal Comparison

Least Favorable Months in Key West

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

July52/100August52/100September52/100

Good news: Key West has no truly bad months!

With a score of 52/100, even July(the "worst" month) is still a reasonable time to visit. These months are simply the least favorable compared to other months in Key West, not objectively bad. Many travelers enjoy visiting during these periods and benefit from lower prices and fewer crowds.

Why July is the Least Favorable (But Still Okay) Time to Visit Key West

Is July a Good Time to Visit Key West?

👌A reasonable choice for your trip
Short Answer

Tropical storm season is active in Key West during July. Average conditions (29°C, 28% rain) can be interrupted by severe weather. Monitor forecasts closely.

Decision Factors

Atlantic Hurricane season active

Atlantic zone - expect potential atlantic hurricane activity

Oppressive heat and humidity

29.2°C with 77% humidity - challenging conditions

Feels significantly hotter than 29.2°C

Heat index: 35°C due to 77% humidity

Warm tropical seas

30.9°C sea temperature - Hot Soup

Plenty of sunshine

11.9h of sunshine daily

Shoulder season - balanced conditions

46% of peak - good value with moderate crowds

Good For

  • 🏖️
    Beach lovers

    30.9°C warm seas and 28% rain probability

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 👴
    Elderly travelers

    77% humidity creates difficult conditions

  • 💼
    Business travelers

    Storm season may cause flight disruptions

  • 🌡️
    Heat-sensitive visitors

    35°C feels-like temperature creates discomfort

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

Worst52

July

Atlantic Hurricane season active, Oppressive heat and humidity

View details
2nd Worst52

August

Atlantic Hurricane season active, Oppressive heat and humidity

View details
3rd Worst52

September

Atlantic Hurricane season active, Oppressive heat and humidity

View details

Looking for the Best Time Instead?

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

Best Time to Visit Key West

Frequently Asked Questions

When should I avoid visiting Key West?

Based on 30 years of data, the most challenging months are July, August, September. Primary concerns include: atlantic hurricane season active, oppressive heat and humidity.

What is the worst month to visit Key West?

July is typically the most challenging month, scoring only 52/100 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.