August · United States
Best time to visit Miami in August Weather, crowds & prices
Weather in Miami in August
Average temperature 30°C, 158 mm of rain, about 25 days with 6+ hours of sunshine and 77% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
7.6/10
Ranked #7 of 12 months
- Avg temp
- 30°C
- Rainfall
- 158 mm
- Humidity
- 77%
- Days with 6h+ sun
- 25
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
August in Miami scores 7.6/10 for beach and coastal travel - ranked #7 of 12. Expect around 30°C, 158 mm of rain, and roughly 25 days with 6+ hours of sunshine this month.
Art Deco beaches and nightlife under winter-early spring skies from January through March.
August holds up well in Miami — 7th best month
Days in August average 30°C (86°F) and humidity near 77% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
158 mm of rain makes this a wet month here, though with about 25 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7.6/10 on the same scale — 7th of 12 months, versus 9.2/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Expect mid-season pricing, and crowds are moderate.
If your dates are flexible, March is materially better in Miami — 1.6 points higher on the same scale.
Frequently asked
- What is the weather like in Miami in August?
- In August, Miami averages 30°C, 158 mm of rain, and about 25 days with 6+ hours of sunshine. Its climate-comfort score is 7.6/10.
- Is August a good time to visit Miami?
- August earns a 7.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Miami in August?
- Expect about 158 mm of rain in August. Average humidity is 77% and there are about 25 days with 6+ hours of sunshine.
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