Thomaston, GA 30286 Frost Dates
Frost dates for Thomaston, GA, ZIP 30286
The last spring frost here typically falls around 03/23, about 207 days from today. The first fall frost typically arrives around 11/12, about 234 frost-free days later.
Thomaston sits in USDA Zone 8b (15 to 20°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 8b around Thomaston 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.
The actual range around Thomaston's last frost
03/23 is the middle of 30 years of NOAA records, not a promise. Plant by 03/01 and you're betting against frost in roughly 9 years out of 10. 04/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Thomaston compares
At roughly 234 frost-free days, Thomaston places 9,724 of 40,283 ZIP codes in this dataset. Within GA, it ranks 436 of 921.
Learn more
local microclimates explains what one yard in Thomaston can differ from the 30286 normal, and zone vs. frost date explains why Zone 8b and Thomaston's frost date answer different questions.