The best months for sunbathing, swimming and scuba diving are April-July.
August is very busy, hot, sticky and hit by occasional storms.
The hurricane season begins June 1 and ends on November 30 but storms/rain are most likely mid-August to mid-October.
In winter, Miami Beach is one of America’s best resort cities and much enjoyed by hip New Yorkers fleeing icy winds; the weather is in the idyllic mid-70F (20C) even in the coldest months. Miami Beach is an 8. 5-mile-long stretch of white sand that can get crowded even in winter, especially around South Beach (SoBe) in the Art Deco district.
In summertime south Florida average high air temperature is 32C (89F), water temperature 30C (85F), in winter air lows reach 18C (65F). Summer is a great time for bargain hotel rates, but the weather can be oppressively humid.
Sharks off Florida?
According to the shark database International Shark Attack File there have been more unprovoked attacks on swimmers in Volusia County than just about anywhere in the world, though none have ever been fatal.