Key Biscayne, FL 00963 Frost Dates
Frost dates for Key Biscayne, FL, ZIP 00963
The NOAA station nearest to 00963 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).
How Key Biscayne compares
Key Biscayne's growing season runs about 365 days, ranking 1,613 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 654 of 1,609.
Learn more
local microclimates explains what one yard in Key Biscayne can differ from the 00963 normal, and the methodology explains exactly which NOAA and USDA figures feed 00963's numbers.