Miami in August
In August, Miami averages 33°C (91°F) during the day and 26°C (79°F) at night, with frequent rain — about 18 days of the month see precipitation (219 mm total).
ShoulderConditions are very hot — early-morning and evening sightseeing recommended. Expect daily rain or showers, often in heavy bursts.
It's peak hurricane season in Miami during August. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.
How August compares to the rest of the year in Miami
August is one of the warmest months in Miami (1st of 12) and one of the wettest months (1st of 12). Daytime temperature runs 4°C above the annual average (29°C). August runs 1°C warmer than July (32°C) and cools 2°C in September (31°C).
August sunrise & sunset in Miami
Times shown for Miami local time (America/New_York), calculated for the 15th of August. They shift by a few minutes day to day across the month.
Photography light in Miami — August
Golden-hour and blue-hour windows for the 15th of August, in Miami's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Miami in August
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (Shoulder) and Miami's popularity.
Crowds & pricing — August in Miami
Miami is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Why this tier: Northern Hemisphere summer holidays peak hazard season (1 active)
Sun & mosquito risk — August in Miami
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in Miami — August
Across the year Miami's sea swings from 22.6°C (January) to 32.2°C (July) — August sits at 31.6°C.
Miami in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 25°C / 77°F | 16°C / 61°F | 41 mm | 6 | 0 |
| February | 26°C / 79°F | 17°C / 63°F | 56 mm | 6 | 0 |
| March | 27°C / 81°F | 19°C / 66°F | 76 mm | 6 | 0 |
| April | 28°C / 82°F | 20°C / 68°F | 79 mm | 6 | 0 |
| May | 30°C / 86°F | 23°C / 73°F | 145 mm | 10 | 0 |
| June | 31°C / 88°F | 25°C / 77°F | 240 mm | 15 | 0 |
| July | 32°C / 90°F | 25°C / 77°F | 165 mm | 16 | 0 |
| August | 33°C / 91°F | 26°C / 79°F | 219 mm | 18 | 0 |
| September | 31°C / 88°F | 25°C / 77°F | 240 mm | 17 | 0 |
| October | 30°C / 86°F | 23°C / 73°F | 168 mm | 12 | 0 |
| November | 27°C / 81°F | 20°C / 68°F | 84 mm | 8 | 0 |
| December | 26°C / 79°F | 17°C / 63°F | 51 mm | 6 | 0 |
Other cities with similar August weather
🌍 See the full ranked list of climate twins for Miami in August →
Frequently asked questions
How hot is Miami in August?
In August, Miami averages a high of 33°C (91°F) and a low of 26°C (79°F) — generally hot.
Does it rain a lot in Miami in August?
August is quite rainy in Miami, with about 18 rainy days on average.
Is August a good time to visit Miami?
August is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Miami in August?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full August packing list for Miami for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.