What Is Key West’s Weather In May?

May in Key West: Embracing the Tropical Sunshine


Key West, the southernmost city in the United States, boasts a tropical climate that makes it a popular destination year-round. As spring fully takes hold in May, Key West becomes a vibrant paradise offering visitors a delightful blend of sunny days, warm waters, and an abundance of outdoor activities. This article explores the weather in Key West during May, helping you plan a memorable getaway to this tropical haven.

Temperature in May

May in Key West is characterized by comfortably warm temperatures. The average high temperature during the day typically ranges from 83°F to 86°F (28°C to 30°C), while the nighttime lows rarely dip below 75°F (24°C). These mild temperatures create an ideal atmosphere for outdoor adventures and relaxation.

Precipitation and Rainfall

May is one of the drier months in Key West, with relatively low rainfall. The island receives an average of around 2 inches (51 mm) of precipitation throughout the month. While short rain showers can occur, they are typically brief and sporadic, not significantly impacting outdoor activities.

Sunshine and Daylight

May in Key West is synonymous with an abundance of sunshine. The city enjoys approximately 9 hours of daily sunlight, providing ample time for exploring the island’s natural beauty, historic sites, and the plethora of outdoor pursuits.

Humidity and Wind

The relative humidity levels in Key West during May are comfortable, usually hovering around 75%. The island benefits from a gentle sea breeze, creating an enjoyable environment for outdoor activities such as water sports, snorkeling, and sailing.

Water Temperature

The waters around Key West remain warm and inviting in May, with an average water temperature of around 80°F (27°C). This warm water temperature is perfect for swimming, snorkeling, and underwater adventures, allowing visitors to explore the region’s vibrant marine life and coral reefs comfortably.

Activities and Events

May in Key West offers a wide range of activities and events, ensuring there’s something for every traveler. Here are some recommendations:

  1. Beach Relaxation: Enjoy your days on the island’s picturesque beaches, such as South Beach and Fort Zachary Taylor State Park Beach.
  2. Water Adventures: Engage in water activities like snorkeling, diving, kayaking, paddleboarding, and parasailing in the warm, clear waters.
  3. Historical Exploration: Discover the island’s history at attractions like the Harry S. Truman Little White House and the Key West Cemetery.
  4. Fishing: Explore exceptional fishing opportunities, with a chance to catch tarpon, sailfish, and other prized species.
  5. Festivals and Events: Enjoy cultural events like the Key West Songwriters Festival and the Key West Yoga and Wellness Fest.


May in Key West offers a tropical paradise with warm temperatures, sunny skies, and a wide array of outdoor and cultural experiences. Whether you’re seeking a relaxing beach vacation, water-based adventures, or historical exploration, the weather in Key West during May provides the perfect backdrop for an unforgettable vacation. Embrace the island’s natural beauty and vibrant culture during this splendid month, and create cherished memories in this tropical haven.

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