Key Biscayne, FL 00917 Frost Dates
00917, near Key Biscayne, FL: the frost window
The NOAA station nearest to 00917 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 1,577 of 40,283 ZIP codes in this dataset. Within FL, it ranks 618 of 1,609.
Learn more
Two guides worth reading on 00917: local microclimates, on what one yard in Key Biscayne can differ from the 00917 normal, and the methodology, on exactly which NOAA and USDA figures feed 00917's numbers.