FrostDateCheck

Byron, GA 31008 Frost Dates

Frost dates for Byron, GA, ZIP 31008

Zone 8b

The last spring frost here typically falls around 03/21, about 205 days from today. The first fall frost typically arrives around 11/10, about 235 frost-free days later.

The USDA Plant Hardiness Zone Map puts Byron in Zone 8b (15 to 20°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 8b around Byron has about 11 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

03/21 is the middle of 30 years of NOAA records, not a promise. Plant by 02/28 and you're betting against frost in roughly 9 years out of 10. 04/07 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Byron compares

About 235 days separate Byron's last and first frost, putting it 9,591 of 40,283 ZIP codes nationally. Within GA, it ranks 424 of 921.

Learn more

the frost range explains how to read the range around Byron's dates instead of trusting one, and local microclimates explains what one yard in Byron can differ from the 31008 normal.