FrostDateCheck

Lynn Haven, FL 32412 Frost Dates

Frost dates for Lynn Haven, FL, ZIP 32412

Zone 9a

Typically, the last spring freeze lands around 02/07, roughly 163 days out. The first fall frost typically arrives around 12/24, about 318 frost-free days later.

The USDA Plant Hardiness Zone Map puts Lynn Haven in Zone 9a (20 to 25°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

What to do before the first frost

Zone 9a around Lynn Haven has about 17 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.

The actual range around Lynn Haven's last frost

02/07 is the middle of 30 years of NOAA records, not a promise. Plant by 01/05 and you're betting against frost in roughly 9 years out of 10. 03/05 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Lynn Haven compares

Lynn Haven's growing season runs about 318 days, ranking 3,338 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 1,237 of 1,609.

Learn more

local microclimates explains what one yard in Lynn Haven can differ from the 32412 normal, and zone vs. frost date explains why Zone 9a and Lynn Haven's frost date answer different questions.