Athens-Clarke County, GA 30605 Frost Dates
30605, near Athens-Clarke County, GA: the frost window
Around 03/23 is the usual last spring frost, about 207 days away. Fall's first freeze usually shows up around 11/10, roughly 232 days after the last spring frost.
Athens-Clarke County 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
Athens-Clarke County'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.
Why 03/23 isn't a guarantee
03/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/10 and only about 1 year in 10 sees frost after that.
Athens-Clarke County against the rest of the dataset
At roughly 232 frost-free days, Athens-Clarke County places 10,019 of 40,283 ZIP codes in this dataset. Within GA, it ranks 472 of 921.
Learn more
Two guides worth reading on 30605: zone vs. frost date, on why Zone 8a and Athens-Clarke County's frost date answer different questions, and the frost range, on how to read the range around Athens-Clarke County's dates instead of trusting one.