Haverhill, FL 33417 Frost Dates

Haverhill, FL: when does the frost end?

The NOAA station nearest to 33417 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).

Haverhill against the rest of the dataset

Haverhill's growing season runs about 365 days, ranking 1,948 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 863 of 1,609.

Learn more

Before leaning on 33417's figures: the methodology explains exactly which NOAA and USDA figures feed 33417's numbers, while zone vs. frost date explains why Zone 10b and Haverhill's frost date answer different questions.