Key Biscayne, FL 00773 Frost Dates
00773, near Key Biscayne, FL: the frost window
The NOAA station nearest to 00773 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
Key Biscayne's growing season runs about 365 days, ranking 1,556 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 597 of 1,609.
Learn more
Two guides worth reading on 00773: local microclimates, on what one yard in Key Biscayne can differ from the 00773 normal, and the methodology, on exactly which NOAA and USDA figures feed 00773's numbers.