Miami Beach Weather in August
August in Miami Beach brings very high temperatures, with daytime highs of 32°C (90°F) and nights around 26°C (79°F). It's part of the rainy season, with 172 mm (6.8 in) of rainfall on average, so an umbrella or poncho is a good idea.
Rainfall in Miami Beach in August
Miami Beach is in the rainy season in August, with rain on around 22 days and an average of 172 mm (6.8 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Miami Beach in August
Daytime temperatures in Miami Beach reach 32°C (90°F) in August, dropping to 26°C (79°F) at night. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. At 26°C (79°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help. Although these are average temperatures, some days can be hotter. Wear cool, breathable clothing and protect yourself from the sun.
Sunshine in Miami Beach in August
Enjoy a sunny month with about 263 hours of sunshine, even though this month falls in the wet season. There is still enough sun to enjoy the outdoors.
Wind Speed in Miami Beach in August
Wind speeds average 4 m/s (8 knots) during August. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.
Average water temperature in August
The water is 28°C (82°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.If your ideal day consists of dry skies and pleasant temperatures, January, February, March, November and December typically offer the best circumstances for Miami Beach.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Miami Beach's climate page.
Miami Beach Temperature in August
Min Temperature
26°C (79°F)
Max Temperature
32°C (90°F)
Water Temperature
28°C (82°F) *
Chance of Rain
74%
Precipitation
172 mm (6.8 in)
Rainy days
22 days
Humidity
76% *
Windspeed
4 m/s (8 knots) *
Sunshine
263 hours *
Percentage Sunshine
71% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Miami Beach typically stay consistent throughout August, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Miami Beach in August
Browse day-by-day weather records for Miami Beach spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Miami Beach historical weather extremes in August
According to our 49 years of weather records for Miami Beach, the following extremes were recorded between 1976 and 2025.
- Miami Beach recorded its highest August temperature of 36°C (97°F) on August 15, 2024.
- Miami Beach experienced its chilliest August day on August 19, 1976, reaching only 25°C (77°F).
- The lowest overnight temperature recorded in August was 22°C (72°F) (August 8, 2006).
Best Places in the United States of America in August
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →
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What to Wear in Miami Beach in August
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! With water temperatures around 28°C (82°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Miami Beach in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Miami Beach's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Miami Beach climate overview or explore weather in the United States of America.
