Haverhill, FL 33409 Frost Dates
Frost dates for Haverhill, FL, ZIP 33409
The NOAA station nearest to 33409 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 10b (35 to 40°F average annual minimum).
How Haverhill compares
Haverhill's growing season runs about 365 days, ranking 1,945 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 860 of 1,609.
Learn more
the methodology explains exactly which NOAA and USDA figures feed 33409's numbers, and zone vs. frost date explains why Zone 10b and Haverhill's frost date answer different questions.