Weather in Key West in August
Key West, United States averages a high of 29.2°C (84.6°F) and low of 27.4°C (81.3°F) in August, with 16 rain days and 11.8 hours of daily sunshine. Travel score: 71.2/100 (Good). The best time to visit Key West is March.
High
29°C85°F
Low
27°C81°F
🌧️
16
rain days
☀️
11.8
hrs/day sunshine
💧
78%
humidity
71— Good
August in Key West is hot and rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Key West?
How much does it rain in Key West in August?
Key West receives an average of 110.7mm of rainfall across 16 rainy days in August. The annual total is 837.3mm.
What should I pack for Key West in August?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 29°C
🧥
Waterproof jacket
Frequent rain expected (16 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
12 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to United States in August?
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