Miami, FL 33131 Frost Dates
Frost dates for Miami, FL, ZIP 33131
The NOAA station nearest to 33131 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 11a (40 to 45°F average annual minimum).
How Miami compares
At roughly 365 frost-free days, Miami places 33 of 40,283 ZIP codes in this dataset. Within FL, it ranks 7 of 1,609.
Learn more
the methodology explains exactly which NOAA and USDA figures feed 33131's numbers, and zone vs. frost date explains why Zone 11a and Miami's frost date answer different questions.