The temperatures in Miami Beach during August are extremely high, between 28°C and hot as 31°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of August in Miami Beach.
Miami Beach should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Miami Beach in August 2025.
If you’re planning to visit Miami Beach in the near future, we highly recommend that you review the 14 day weather forecast for Miami Beach before you arrive.