Key Largo

What is the climate like in Key Largo?

The best time to visit Key Largo is typically November – May, with trip comfort peaking in February (8.2/10). Key Largo is warmest in August, when daily highs average 85°F (29°C), and coolest in January, when lows fall to about 69°F (20°C). The wettest month is typically September and the driest is February; the year sees roughly 42 in (1058 mm) of precipitation.

• Best time to visitNovember – May — comfort peaks in February (8.2/10)
• Warmest monthAugust — average high 85°F (29°C)
• Coolest monthJanuary — average low 69°F (20°C)
• Wettest monthSeptember (6.6 in (169 mm))
• Driest monthFebruary (1.3 in (32 mm))
• Annual precipitation42 in (1058 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromJohn Pennekamp Sp, 16 km away (2004-2026)