Key Biscayne Weather in July

The climate in Key Biscayne during July can be summarized as very hot, humid and wet.

July is in the summer in Key Biscayne and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 25°C (76°F) is normal.

On average July is the 6th wettest month of the year in Key Biscayne with around 135mm 5.3 inches of rain making it a wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.5 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Key Biscayne in July 2024.