Air (Miami Beach)
88°F
average high; nights about 78°F
NOAA 1991–2020 normals
Ocean (Lake Worth Pier)
86°F
Bath-warm; usually 84–87°F
our average of NOAA records, 2010–2025
Biscayne Bay (Virginia Key)
87°F
usually 85–90°F
our average of NOAA records, 1996–2025
Rain
7.51 in
10 days with 0.1 in or more
NOAA 1991–2020 normals
Our take on August
The warmest water of the year and the cheapest hotels, with Miami Spice deals at restaurants. It is the heart of hurricane season, so watch the National Hurricane Center outlooks.
Events in August
- Miami Spice restaurant months, Restaurants across Greater Miami.
Last edition: August 1 – September 30, 2026; next not announced (checked 2026-10-26).
Prix-fixe lunch and dinner menus, August 1 to September 30. Low season, so restaurants get busier while hotel rates stay low. Organiser
For the beach in August
- The water is bath-warm. Shallow bay water at Matheson Hammock and Oleta runs even warmer.
- Afternoon thunderstorms are common: plan the beach for the morning and leave at the first thunder.
- The midday UV Index is typically very high to extreme in summer (EPA puts Miami at about 10–11): shade from late morning to mid-afternoon.
Today's live picture: rip-current risk, water temperature and UV.