Average monthly water temperature in Key Biscayne, the United States of America
On this page you find the mean water temperature over the year in Key Biscayne (Florida), the United States of America. Dive into the water temperature trends, highlighting the best times for swimming and other activities.
Data from: Miami, the United States of America (17 KM, 11 Miles).
In Key Biscayne, water temperatures are consistently warm throughout the year. The warmest month is June, with an average water temperature of 28°C (82°F).
The coolest month is January, with an average temperature of 24°C (75°F). This makes Key Biscayne a year-round destination for swimming and other water-based activities.
