Key Biscayne, FL 00959 Frost Dates
Key Biscayne, FL: when does the frost end?
The NOAA station nearest to 00959 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
About 365 days separate Key Biscayne's last and first frost, putting it 1,609 of 40,283 ZIP codes nationally. Within FL, it ranks 650 of 1,609.
Learn more
Before leaning on 00959's figures: the methodology explains exactly which NOAA and USDA figures feed 00959's numbers, while zone vs. frost date explains why Zone 13a and Key Biscayne's frost date answer different questions.