As the winter months approach, many individuals seek warmer climates to escape the chill. Key West, Florida, is a popular destination during this time, boasting a subtropical climate that attracts tourists and snowbirds alike. January, in particular, is an excellent time to visit Key West, with mild temperatures and minimal rainfall. In this article, we will delve into the specifics of Key West's January weather, exploring the average temperatures, precipitation, and other essential factors to consider when planning a trip to this island paradise.
Key Points
- Average high temperature in January: 70°F (21°C)
- Average low temperature in January: 63°F (17°C)
- Average precipitation in January: 2.5 inches (64 mm)
- Sea temperature: 68°F (20°C), ideal for swimming and water activities
- Sunshine hours: 9 hours per day, making it an excellent time for outdoor activities
Temperature and Humidity

January is one of the coolest months in Key West, with average high temperatures reaching 70°F (21°C) and average low temperatures dipping to 63°F (17°C). The relative humidity during this time is relatively low, ranging from 60% to 80%, making it an ideal time to enjoy outdoor activities without the sweltering heat of the summer months. It’s essential to note that temperatures can fluctuate, and it’s not uncommon to experience a few cooler days, especially in the early morning and late evening hours.
Precipitation and Sunshine
January is one of the driest months in Key West, with an average precipitation of 2.5 inches (64 mm). The likelihood of rainfall is relatively low, making it an excellent time to enjoy outdoor activities such as snorkeling, diving, or simply exploring the island. With an average of 9 hours of sunshine per day, January is an ideal time to soak up the sun and enjoy the beautiful beaches and scenic views that Key West has to offer.
Weather Metrics | January Averages |
---|---|
High Temperature | 70°F (21°C) |
Low Temperature | 63°F (17°C) |
Precipitation | 2.5 inches (64 mm) |
Sunshine Hours | 9 hours per day |
Sea Temperature | 68°F (20°C) |

Sea Temperature and Water Activities

The sea temperature in January is a pleasant 68°F (20°C), making it perfect for swimming, snorkeling, and diving. The calm and clear waters provide an ideal environment for exploring the underwater world, and the numerous beaches and coves offer a serene atmosphere for relaxation. If you’re planning to engage in water activities, January is an excellent time to do so, as the conditions are favorable and the crowds are smaller compared to the peak summer months.
Events and Festivals
January is a great time to experience the vibrant culture and events that Key West has to offer. The island hosts various festivals and events, including the Key West Food and Wine Festival, the Key West Literary Seminar, and the Key West Jazz Festival. These events showcase the island’s unique character and provide an excellent opportunity to mingle with locals and like-minded travelers.
What is the average temperature in Key West during January?
+The average high temperature in January is 70°F (21°C), while the average low temperature is 63°F (17°C).
Is January a good time to visit Key West for snorkeling and diving?
+Yes, January is an excellent time to visit Key West for snorkeling and diving. The sea temperature is a pleasant 68°F (20°C), and the calm waters provide ideal conditions for exploring the underwater world.
What events and festivals take place in Key West during January?
+January is a great time to experience the vibrant culture and events that Key West has to offer. The island hosts various festivals and events, including the Key West Food and Wine Festival, the Key West Literary Seminar, and the Key West Jazz Festival.
In conclusion, January is an excellent time to visit Key West, with its mild temperatures, low humidity, and minimal rainfall. The island’s unique culture, beautiful beaches, and crystal-clear waters make it an ideal destination for those seeking a relaxing and enriching winter getaway. Whether you’re looking to explore the island, engage in water activities, or simply soak up the sun, January is a great time to experience all that Key West has to offer.