What Is Key West’s Weather In January?

Key West Weather in January: A Tropical Winter Paradise

What is the weather like in Key West In January?

Key West, the southernmost city in the continental United States, is known for its pleasant and tropical climate year-round. Even in the heart of winter, January in Key West offers a unique escape from cold temperatures. This article provides a detailed overview of the weather in Key West during January, allowing you to plan your trip and experience the island’s enchanting winter charm.

Temperature in January

In January, Key West enjoys mild and comfortable temperatures, making it a popular destination for travelers seeking respite from colder climates. The average high temperature during the day typically ranges from 73°F to 76°F (22°C to 24°C), while the nighttime lows rarely drop below 64°F (18°C). It’s important to note that these temperatures are significantly warmer than most parts of the United States during the winter months.

Precipitation and Rainfall

Key West experiences a drier period during January. Rainfall is relatively low, with an average of about 1.5 inches (38 mm) of precipitation throughout the month. You can generally expect short and sporadic rain showers, so it’s advisable to carry an umbrella or raincoat just in case. However, these showers are unlikely to interrupt your outdoor plans for long.

Sunshine and Daylight

January in Key West offers an abundance of sunshine. The city typically sees around 7 hours of daily sunshine, allowing you ample time to explore the island’s various attractions and outdoor activities. The daylight hours are long enough to make the most of your vacation.

Humidity and Wind

While Key West is pleasantly warm during January, it tends to be less humid compared to the summer months. Relative humidity levels usually hover around 70%, creating a comfortable and enjoyable environment. As for wind, the island experiences a gentle breeze, which is perfect for activities like sailing, snorkeling, and exploring the scenic coastline.

Water Temperature

One of the appealing aspects of visiting Key West in January is the relatively warm water temperatures. The ocean water averages around 71°F (22°C), making it suitable for water sports, swimming, and even snorkeling. The pristine coral reefs and marine life are easily accessible and can be explored without the need for a wetsuit.

Activities and Events

The pleasant weather in January makes Key West an ideal destination for various outdoor activities. Here are a few recommendations:

  1. Beach Relaxation: Spend your days soaking up the sun on Key West’s beautiful beaches, such as Smathers Beach or Fort Zachary Taylor State Park Beach.
  2. Watersports: Enjoy activities like snorkeling, diving, kayaking, and paddleboarding in the warm waters surrounding the island.
  3. Historical Exploration: Visit historic sites like the Ernest Hemingway Home and Museum or the Harry S. Truman Little White House.
  4. Fishing: Try your hand at fishing for tarpon, mahi-mahi, and other local species.
  5. Cultural Events: Explore the vibrant arts and culture scene by attending events like the Key West Literary Seminar or the Florida Keys Seafood Festival.


Key West in January offers a tropical escape with pleasant temperatures, sunny skies, and numerous activities for visitors. Whether you’re seeking a warm winter getaway or simply looking to explore a unique and vibrant island city, the weather in Key West during January provides an inviting backdrop for an unforgettable vacation experience. So, pack your bags, and prepare to embrace the beauty and charm of Key West in the heart of winter.

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