Weather in Key West in December
Key West, United States averages a high of 23.7°C (74.7°F) and low of 21.9°C (71.4°F) in December, with 5 rain days and 9.5 hours of daily sunshine. Travel score: 82.2/100 (Excellent). The best time to visit Key West is March.
High
24°C75°F
Low
22°C71°F
🌧️
5
rain days
☀️
9.5
hrs/day sunshine
💧
77%
humidity
82— Excellent
December in Key West is warm and mostly dry — excellent conditions for exploring.
What are the average temperatures in Key West?
How much does it rain in Key West in December?
Key West receives an average of 40.7mm of rainfall across 5 rainy days in December. The annual total is 837.3mm.
What should I pack for Key West in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 24°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🌬️
Windbreaker
Windy conditions (30 km/h average)
Traveling to United States in December?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31