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Key West

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Travel Info
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Travel Info

Top 10 Must-Do Experiences and Attractions in Key West

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Key West Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Key West year round climate

  • Spring (March–May): Average 25.8–29.0°C, warm and comfortable climate, abundant sunshine, occasional showers. Common activities: Beach activities, water sports, dolphin watching. Suggested clothing: Light short-sleeved clothing, shorts, sandals; a light jacket may be needed in the evening.
  • Summer (June–August): Average 30.2–31.9°C, hot and humid, frequent rainfall, especially in June. Common activities: Swimming, sunbathing, watching the sunset in the evening. Suggested clothing: Light and breathable clothing, swimwear, hat, sunscreen.
  • Autumn (September–November): Average 28.4–30.9°C, still warm but slightly cooler than summer, more rainfall. Common activities: Fishing, boating, exploring local attractions. Suggested clothing: Light long-sleeved or short-sleeved clothing, a jacket as needed.
  • Winter (December–February): Average 23.6–24.7°C, mild and comfortable, moderate rainfall. Common activities: Sightseeing, visiting historical sites, enjoying beach leisure activities. Suggested clothing: Light long-sleeved clothing, long pants, a light jacket may be needed.

Key West climatological average

Annual average temperature: approx. 28°C / Annual rainfall: approx. 935 mm / Summer humidity: 70%–80% / Rainiest month: June

Key West monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
23.6°C
18.8
February
23.9°C
36
March
25.8°C
26
April
26.1°C
46.2
May
29°C
33.3
June
30.2°C
179.1
July
31.9°C
61.5
August
31.6°C
110.8
September
30.9°C
164.3
October
28.4°C
102.9
November
27.2°C
43.5
December
24.7°C
112.7

Key West weather for the next seven days

12/17
Wednesday
Sunny
25.6°C/21.5°C
12/18
Thursday
Cloudy
25.4°C/23.2°C
12/19
Friday
Overcast
24.8°C/23.1°C
12/20
Saturday
Patchy rain nearby
23.4°C/22.6°C
12/21
Sunday
Patchy rain nearby
24.4°C/22.8°C
12/22
Monday
Partly Cloudy
23.9°C/23.1°C
12/23
Tuesday
Patchy rain nearby
22.9°C/22.7°C

Key West Frequently Asked Questions and Useful Information for Travel

What is the best month to visit Key West?

The best time to visit Key West is during the spring months of March, April, and May. During this period, the tourist crowds from the winter high season have diminished, the weather is mild and warm, and prices for accommodations and activities typically begin to decrease from their peak.

What is the 50% rule for the city of Key West?

In Key West, the 50% rule generally applies to building regulations concerning flood damage. If the cost required to fully repair a structure to its prior condition after damage is equal to or greater than 50% of that structure's market value before the damage, then the structure must be elevated to or above the design flood elevation.

How many days do we need in Key West?

You should plan for at least four days to adequately experience Key West. Consider dedicating one day to relaxing on the beach, another day to enjoying a boat tour, and the remaining time to exploring the unique streets and attractions of the city.

Is Key West worth traveling to?

Key West is absolutely worth traveling to. Experiencing the vibrant Sunset Celebration in Mallory Square and indulging in a slice of Key Lime Pie on Duval Street will quickly convince you of its unique charm and appeal.

What are the must-do activities in Key West?

Must-do activities in Key West include visiting the Sunset Celebration at Mallory Square, exploring the shops and restaurants along Duval Street, taking a snorkeling or diving trip to the coral reefs, and visiting historical sites like the Ernest Hemingway Home and Museum.