Macon-Bibb County, GA 31205 Frost Dates
Frost dates for Macon-Bibb County, GA, ZIP 31205
Around 03/21 is the usual last spring frost, about 205 days away. The first fall frost typically arrives around 11/10, about 235 frost-free days later.
Macon-Bibb County 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 Macon-Bibb County 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 Macon-Bibb County's last frost
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 Macon-Bibb County compares
Macon-Bibb County's growing season runs about 235 days, ranking 9,539 of 40,283 US ZIP codes measured here, longest to shortest. Within GA, it ranks 401 of 921.
Learn more
local microclimates explains what one yard in Macon-Bibb County can differ from the 31205 normal, and zone vs. frost date explains why Zone 8b and Macon-Bibb County's frost date answer different questions.