Key West

What is the climate like in Key West?

The best time to visit Key West is typically November – May, with trip comfort peaking in February (8.4/10). Key West is warmest in August, when daily highs average 85°F (30°C), and coolest in January, when lows fall to about 69°F (21°C). The wettest month is typically September and the driest is February; the year sees roughly 37 in (950 mm) of precipitation.

• Best time to visitNovember – May — comfort peaks in February (8.4/10)
• Warmest monthAugust — average high 85°F (30°C)
• Coolest monthJanuary — average low 69°F (21°C)
• Wettest monthSeptember (6.3 in (160 mm))
• Driest monthFebruary (1.0 in (26 mm))
• Annual precipitation37 in (950 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromKey W Intl AP, 3 km away (1948-2026)