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How is the Weather in Miami During August?

Updated: July 31, 2023

Miami during August is hot and very humid with frequent showers, especially during the afternoon and early evening hours.


Daytime high temperatures this month will generally be around 89-91 F (32-33 C) with about 24-25 days this month reaching or exceeding 90 F (32C). T

he record high temperature in Miami during August is 98 F (36.7 C).

Late night and early morning low temperatures will most likely be 76-78 F (about 25 C) but occasionally can dip down around 74 F (23 C).

The record low temperature in Miami during August is 68 F (20 C).

Rain or Shine

During August you should expect, on average, about 2 sunny days, 18 partly sunny and 11 cloudy days.

Some measurable rain, mainly in the form of afternoon and evening showers and thunderstorms occurs on 24-25 days during August with 7 of these recording 0.5 inches (12.7 mm) or more.


The number of daylight hours gradually decreases this month from about 13.3 hours on the 1st down to 12.6 hours by the 31st. 


Wind speeds will mostly be light to gentle at 4-12 mph (6-19 kph) but can briefly be moderate at 13-18 mph (20-28 kph). 

Tropical Cyclones

Tropical cyclones become more frequent this month and there is a 30-40% risk for a named tropical cyclone passing near the east coast of Florida or the Bahamas during August.

The risk for experiencing tropical storm strength winds in Miami during the entire hurricane season is about once every 3 years and hurricane force winds, once every 8-10 years.


If you are headed to the beaches expect warm ocean temperatures around 85F (about 29-30 C).

What to Wear in Miami during August?

The weather is hot and humid with frequent showers so dress light and airy.

Bring your beach wear including a pair of casual flip flops, sunglasses, sunscreen, and a good pair of walking shoes as well as an umbrella for those showers.

Things to Do in Miami during August?

It will likely be very warm in Miami this month, but there will also be a lot of thunderstorms. That said, if you manage to visit on a sunny day, you might want to consider taking a pay-what-you-wish walking tour.

The Miami Marlins will be playing more than a few home games this month, making this an excellent time to see a baseball game. There will more than likely be a few great concerts to attend as well.

Given the weather, you might also want to consider looking into theatrical events such as musicals and plays.

For even more ideas, make sure to check our list of things to do in Miami.

Seasonal Outlook

July to September 2022 Miami

There is an 87% chance for normal to above normal temperatures with near normal rainfall

Fred Pickhardt

Ocean Weather Services 

About The Author

Fred Pickhardt

Fred is a marine meteorologist and sailed briefly with American Export Lines in the Far East trade. He has extensive experience in weather analysis, weather forecasting, and forensic weather event reconstructions. Fred founded Ocean Weather Services and currently provides forensic marine weather reports to the maritime industry.
Updated: July 31st, 2023
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