Miami, United States

Miami in August

August in Miami brings highs around 91°F (33°C), lows near 78°F and about 19 rainy days. The sun sets around 7:57 pm. The sea is about 85°F (30°C). It's off season for sightseeing: hot and quieter.

Photo: Marc Averette, CC BY-SA 3.0

What August is good for in Miami

Each activity rated for August's weather and sea.

August next to July and September

Month	July	August	September
High	91°F (33°C)	91°F (33°C)	89°F (32°C)
Low	78°F (25°C)	78°F (25°C)	77°F (25°C)
Rainy days	17	19	18
Sea	85°F	85°F	85°F
Sunset	8:15 pm	7:57 pm	7:26 pm
Daylight	13 h 36 min	13 h 03 min	12 h 19 min

Averages for Miami International Airport, 1991−2020 normals, extremes 1895−present; sunrise and sunset on the 15th. Miami water temperature by month.

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Questions

Is August a good time to visit Miami?

It's off season for sightseeing: hot and quieter. The most comfortable months overall are January, February, March, November and December.

How hot is Miami in August?

Average highs are about 91°F (33°C) and lows about 78°F (25°C).

Does it rain much in Miami in August?

August averages 19 rainy days, against 19 in the wettest month.

How warm is the sea in Miami in August?

About 85°F (30°C). Warm enough for long swims and snorkeling.

Other cities in August

Everything to do in Miami