Key Biscayne, FL 00777 Frost Dates
00777, near Key Biscayne, FL: the frost window
The NOAA station nearest to 00777 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 12b (55 to 60°F average annual minimum).
Key Biscayne against the rest of the dataset
About 365 days separate Key Biscayne's last and first frost, putting it 1,558 of 40,283 ZIP codes nationally. Within FL, it ranks 599 of 1,609.
Learn more
Two guides worth reading on 00777: local microclimates, on what one yard in Key Biscayne can differ from the 00777 normal, and the methodology, on exactly which NOAA and USDA figures feed 00777's numbers.