Key Biscayne, FL 00933 Frost Dates
Key Biscayne, FL: when does the frost end?
The NOAA station nearest to 00933 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 1,592 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 633 of 1,609.
Learn more
Before leaning on 00933's figures: the methodology explains exactly which NOAA and USDA figures feed 00933's numbers, while zone vs. frost date explains why Zone 13a and Key Biscayne's frost date answer different questions.