Key Biscayne, FL 00977 Frost Dates
Key Biscayne, FL: when does the frost end?
The NOAA station nearest to 00977 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
Key Biscayne's growing season runs about 365 days, ranking 1,622 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 663 of 1,609.
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Before leaning on 00977's figures: zone vs. frost date explains why Zone 13b and Key Biscayne's frost date answer different questions, while local microclimates explains what one yard in Key Biscayne can differ from the 00977 normal.