McDonough, GA 30253 Frost Dates
30253, near McDonough, GA: the frost window
The last spring frost here typically falls around 03/31, about 215 days from today. Fall's first freeze usually shows up around 11/06, roughly 220 days after the last spring frost.
McDonough sits in USDA Zone 8a (10 to 15°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.
Stretching the season past the first frost
McDonough's growing season runs out in roughly 10 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 03/31 isn't a guarantee
03/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/08 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/16 and only about 1 year in 10 sees frost after that.
McDonough against the rest of the dataset
McDonough's growing season runs about 220 days, ranking 12,696 of 40,283 US ZIP codes measured here, longest to shortest. Within GA, it ranks 756 of 921.
Learn more
Two guides worth reading on 30253: local microclimates, on what one yard in McDonough can differ from the 30253 normal, and zone vs. frost date, on why Zone 8a and McDonough's frost date answer different questions.