Key Biscayne, FL 00957 Frost Dates
00957, near Key Biscayne, FL: the frost window
The NOAA station nearest to 00957 does not report a usable frost-date normal for either event, so no last-frost or first-frost figure is shown here. The USDA hardiness zone below is still real: Zone 13a (60 to 65°F average annual minimum).
Key Biscayne against the rest of the dataset
At roughly 365 frost-free days, Key Biscayne places 1,607 of 40,283 ZIP codes in this dataset. Within FL, it ranks 648 of 1,609.
Learn more
Two guides worth reading on 00957: zone vs. frost date, on why Zone 13a and Key Biscayne's frost date answer different questions, and local microclimates, on what one yard in Key Biscayne can differ from the 00957 normal.