About Key Biscayne, FL

With a population of around 13,000, Key Biscayne sits in Florida, United States. The city operates in the Eastern Time Zone.

Key Biscayne has a humid subtropical climate. Average annual temperature is 77°F, with January lows around 64°F and July highs near 89°F. The city averages 51 inches of precipitation per year. The wettest month is typically June; the driest is March.