Key Biscayne, FL 00742 Frost Dates
00742, near Key Biscayne, FL: the frost window
The NOAA station nearest to 00742 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 13b (65 to 70°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 1,548 of 40,283 ZIP codes nationally. Within FL, it ranks 589 of 1,609.
Learn more
Two guides worth reading on 00742: zone vs. frost date, on why Zone 13b and Key Biscayne's frost date answer different questions, and local microclimates, on what one yard in Key Biscayne can differ from the 00742 normal.