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Miami in August

A risky month — score 49 of 100

Typical August days in Miami reach about 91°F with nights near 78°F; rain is frequent — about 19 days see some rain, usually in showers. August is also the statistical peak of Atlantic hurricane season (the season runs June 1–November 30) — the averages hide that risk, so flexible plans matter.

Season note: August falls in Atlantic hurricane season (June 1–November 30), its statistical peak. That is climatology, not a forecast — but it is the one risk the averages cannot show.

What to pack for Miami in August

• A waterproof shell and shoes you can soak — rain falls on about 19 days in a typical August, so plan an indoor anchor each day.
• Breathable clothes, a hat, and sunscreen — typical afternoons reach about 91°F.
• Pace the midday hours — about 25 days in a typical August reach 90°F.
• Swimsuit, sandals, and reef-safe sunscreen.

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August vs. the alternatives

The whole year in Miami

Averages are the 1991–2020 climate normals (NOAA National Centers for Environmental Information) for the station named on each page. Rain days = days with at least 0.01 in of precipitation. Daylight is computed for the middle of the month.