Bethlehem, GA 30620 Frost Dates
30620, near Bethlehem, GA: the frost window
Around 04/03 is the usual last spring frost, about 218 days away. Fall's first freeze usually shows up around 11/07, roughly 219 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Bethlehem in Zone 8a (10 to 15°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Bethlehem'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.
How much risk comes with planting early here
04/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/17 and only about 1 year in 10 sees frost after that.
Bethlehem against the rest of the dataset
About 219 days separate Bethlehem's last and first frost, putting it 13,079 of 40,283 ZIP codes nationally. Within GA, it ranks 780 of 921.
Learn more
Two guides worth reading on 30620: zone vs. frost date, on why Zone 8a and Bethlehem's frost date answer different questions, and the frost range, on how to read the range around Bethlehem's dates instead of trusting one.