FrostDateCheck

Macon-Bibb County, GA 31204 Frost Dates

Macon-Bibb County, GA: when does the frost end?

Zone 8b

Around 03/21 is the usual last spring frost, about 205 days away. Fall's first freeze usually shows up around 11/10, roughly 235 days after the last spring frost.

Zone 8b (15 to 20°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 Macon-Bibb County, not a forecast for this year.

Stretching the season past the first frost

With roughly 11 weeks until Macon-Bibb County's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Macon-Bibb County's last frost

03/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/07 and only about 1 year in 10 sees frost after that.

Macon-Bibb County against the rest of the dataset

Macon-Bibb County's growing season runs about 235 days, ranking 9,538 of 40,283 US ZIP codes measured here, longest to shortest. Within GA, it ranks 400 of 921.

Learn more

Before leaning on 31204's figures: the frost range explains how to read the range around Macon-Bibb County's dates instead of trusting one, while local microclimates explains what one yard in Macon-Bibb County can differ from the 31204 normal.