Brinson, GA 39825 Frost Dates
Frost dates for Brinson, GA, ZIP 39825
Typically, the last spring freeze lands around 03/14, roughly 198 days out. The first fall frost typically arrives around 11/17, about 250 frost-free days later.
The USDA Plant Hardiness Zone Map puts Brinson 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 Brinson has about 12 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
03/14 is the middle of 30 years of NOAA records, not a promise. Plant by 02/21 and you're betting against frost in roughly 9 years out of 10. 04/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Brinson compares
Brinson's growing season runs about 250 days, ranking 7,598 of 40,283 US ZIP codes measured here, longest to shortest. Within GA, it ranks 287 of 921.
Learn more
local microclimates explains what one yard in Brinson can differ from the 39825 normal, and zone vs. frost date explains why Zone 9a and Brinson's frost date answer different questions.