Key Biscayne Weather and Sea Temperature
Key Biscayne is a nice place to visit any time of the year, but weather may vary depending on the month, as well as rainfall and sea temperature.
We have compiled below the average monthly weather statistics, with the minimum and maximum expected, as well as the average rainfall (mm) to help you decide when is the best time for you to visit our island.
The Table no.1 shows the data in Farenheit whereas the Table no.2 provides the same information in Celsius. The graph at the bottom of the page presents the average sea temperature in both Farenheit and Celsius.