Swainsboro, GA 30401 Frost Dates
30401, near Swainsboro, GA: the frost window
The last spring frost here typically falls around 03/18, about 202 days from today. Fall's first freeze usually shows up around 11/11, roughly 237 days after the last spring frost.
Swainsboro 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.
Stretching the season past the first frost
Swainsboro's growing season runs out in roughly 11 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
03/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/27 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/04 and only about 1 year in 10 sees frost after that.
Swainsboro against the rest of the dataset
At roughly 237 frost-free days, Swainsboro places 9,097 of 40,283 ZIP codes in this dataset. Within GA, it ranks 382 of 921.
Learn more
Two guides worth reading on 30401: zone vs. frost date, on why Zone 8b and Swainsboro's frost date answer different questions, and the frost range, on how to read the range around Swainsboro's dates instead of trusting one.