What Is Key West’s Weather In October?

Key West in October: Embracing Autumn Tranquility

As the seasons transition, October brings a unique charm to Key West, Florida. The island city remains a captivating destination for travelers seeking mild weather, sunshine, and an array of cultural and outdoor activities. This article delves into the weather in Key West during October and provides insights into the attractions and events that make this month an ideal time for a memorable island getaway.

Temperature in October

October in Key West boasts comfortable temperatures, marking the arrival of autumn in this tropical paradise. The average high temperature during the day typically ranges from 85°F to 87°F (29°C to 31°C), while the nighttime lows typically stay above 76°F (24°C). These mild temperatures create an ideal atmosphere for outdoor exploration and relaxation.

Precipitation and Rainfall

Key West experiences a gradual decrease in rainfall during October. The island typically receives an average of about 3 inches (76 mm) of precipitation throughout the month. While rain showers are still possible, they are generally short and sporadic, allowing for plenty of sunny intervals.

Sunshine and Daylight

October in Key West offers ample sunshine, with around 8 hours of daily sunlight. This extended daylight period ensures plenty of time to enjoy the island’s natural beauty, historical sites, and outdoor pursuits.

Humidity and Wind

Relative humidity levels in Key West during October are comfortable, typically hovering around 70%. The island continues to benefit from a gentle sea breeze, providing a pleasant environment for outdoor activities such as water sports, sailing, and beachfront strolls.

Water Temperature

The waters around Key West remain invitingly warm in October, with an average water temperature of around 83°F (28°C). This temperate water is ideal for swimming, snorkeling, and underwater adventures, allowing visitors to explore the region’s vibrant marine life and coral reefs comfortably.

Activities and Events

October in Key West offers a diverse range of activities and events, catering to various interests. Here are some recommendations:

  1. Beach Days: Enjoy the serene beauty of Key West’s beaches, including Smathers Beach and Fort Zachary Taylor State Park Beach.
  2. Water Adventures: Engage in water activities such as snorkeling, diving, kayaking, paddleboarding, and parasailing in the warm, crystal-clear waters.
  3. Historical Exploration: Discover the island’s rich history at attractions like the Ernest Hemingway Home and Museum and the Key West Shipwreck Museum.
  4. Fishing: Take advantage of excellent fishing opportunities to catch species like tarpon, sailfish, and grouper.
  5. Festivals and Events: Embrace the local culture at events like the Fantasy Fest and the Goombay Festival.


October in Key West offers a tranquil and inviting autumn escape with mild temperatures, sunny skies, and a wide array of outdoor and cultural experiences. Whether you’re looking for a relaxing beach vacation, water-based adventures, or historical exploration, the weather in Key West during October provides the perfect backdrop for an unforgettable island vacation. Immerse yourself in the natural beauty and vibrant culture of Key West during this serene and pleasant month, and create lasting memories in this enchanting destination.

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