Thunderbolt, GA 31405 Frost Dates
When can you plant in Thunderbolt, GA?
The last spring frost here typically falls around 03/02, about 186 days from today. The first fall frost typically arrives around 11/30, about 270 frost-free days later.
Zone 9a (20 to 25°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 Thunderbolt, not a forecast for this year.
What to do before the first frost
About 13 weeks of growing season left in Thunderbolt before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Thunderbolt's last frost
03/02 is the middle of 30 years of NOAA records, not a promise. Plant by 02/04 and you're betting against frost in roughly 9 years out of 10. 03/25 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Thunderbolt compares
About 270 days separate Thunderbolt's last and first frost, putting it 5,590 of 40,283 ZIP codes nationally. Within GA, it ranks 45 of 921.
Learn more
zone vs. frost date covers why Zone 9a and Thunderbolt's frost date answer different questions. the frost range covers how to read the range around Thunderbolt's dates instead of trusting one.