Weather By Day

August Miami Weather 
August Miami Weather
Record High: 98°F
Normal High: 91°F
Normal Low: 76°F
Record Low: 68°F
Avg Monthly Rain: 8.63"
Rec 1 Day Rain: 6.57"

Miami Weather In August

Miami Weather In August is sweltering, and it seems to rain at least once everyday. This is tropical weather, for good or for bad. The only outdoor activities that most people will find enjoyable in Miami in August are swimming related, and you will want to spend most of your time in the water, and not simply lying next to it.