FrostDateCheck

Jacksonville, AL 36265 Frost Dates

Frost dates for Jacksonville, AL, ZIP 36265

Zone 8a

The last spring frost here typically falls around 04/06, about 221 days from today. The first fall frost typically arrives around 10/31, about 206 frost-free days later.

Zone 8a (10 to 15°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Jacksonville, not a forecast for this year.

What to do before the first frost

Zone 8a around Jacksonville has about 9 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.

How much risk comes with planting early here

04/06 is the middle of 30 years of NOAA records, not a promise. Plant by 03/20 and you're betting against frost in roughly 9 years out of 10. 04/22 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Jacksonville compares

Jacksonville's growing season runs about 206 days, ranking 15,970 of 40,283 US ZIP codes measured here, longest to shortest. Within AL, it ranks 779 of 809.

Learn more

the frost range explains how to read the range around Jacksonville's dates instead of trusting one, and local microclimates explains what one yard in Jacksonville can differ from the 36265 normal.