Thunderbolt, GA 31416 Frost Dates
When can you plant in Thunderbolt, GA?
Around 03/02 is the usual last spring frost, about 186 days away. The first fall frost typically arrives around 11/30, about 270 frost-free days later.
Thunderbolt sits in USDA Zone 9a (20 to 25°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.
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.
How much risk comes with planting early here
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
Thunderbolt's growing season runs about 270 days, ranking 5,592 of 40,283 US ZIP codes measured here, longest to shortest. Within GA, it ranks 47 of 921.
Learn more
local microclimates covers what one yard in Thunderbolt can differ from the 31416 normal. zone vs. frost date covers why Zone 9a and Thunderbolt's frost date answer different questions.