Key Biscayne, FL 00981 Frost Dates
Frost dates for Key Biscayne, FL, ZIP 00981
The NOAA station nearest to 00981 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 1,625 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 666 of 1,609.
Learn more
the methodology explains exactly which NOAA and USDA figures feed 00981's numbers, and zone vs. frost date explains why Zone 13b and Key Biscayne's frost date answer different questions.