Frost Dates for 30624 — Bowman, Georgia

Half of springs at Elberton 2 N, GA see their last 32°F night by April 6; only one in ten is past it by March 20, and one in ten still has one after April 21. Planting tender crops after April 13 leaves a 30% risk of a frost on them, after April 16 20%, and after April 21 10%. The 15 days between the even-odds date and the one-in-ten date is narrower than at 83% of the 127 Georgia stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 30 in half of years, as early as October 17 one year in ten, and holds off past November 14 one year in ten. A hard freeze of 28°F follows 11 days later, around November 10; in spring the one-in-ten date for 28°F is April 11, 10 days before the 32°F one. The freeze-free season lasts 209 days in a typical year, shorter than at 90% of the 127 Georgia stations; it reaches 231 days one year in ten and falls short of 188 one year in ten. On average 85 nights a year drop to 32°F or below. Nights of 36°F, when frost can still settle on leaves in low, open spots, continue 12 days longer, to about April 18, and return around October 21. Nights of 24°F, cold enough to damage hardier plants, come in 100% of winters and 16°F in 87%.

July is the warmest month at Elberton 2 N, GA, averaging 89°F by day and 68°F at night; January is the coldest at 53°F and 30°F. A freezing night is all but certain in every month from November to March (a 90% chance or more). From May to September the chance of a 32°F night stays under 10% each month. In spring, April still brings one in 66% of years.

Warmth for growing adds up to 4,682 growing degree days a year (base 50°F), fewer than at 83% of the 127 Georgia stations. 39% of them (1,813) have built up by the end of June, and July adds the most, 891. Precipitation totals 49.5 inches a year, most in July (4.8") and least in October (3.3"); May to September bring 42% of it.

The nearest other station, Hartwell, GA, 12 miles northeast of Bowman and 265 feet higher, has a last frost 17 days earlier (March 20), a first frost 16 days later (November 15), a season 32 days longer.

Measurable snow is rare here: only 4 of 24 winters from 1991 to 2020 recorded 0.1 inch or more at Elberton 2 N, GA, 10.9 miles away, so there is no typical first-snow date to plan around.

ZIP 30624 is 11 miles from Elberton 2 N, GA, which stands at 540 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 2 other ZIP codes share the station; its figures are presented in full for 30635 (Elberton). The 2023 USDA Plant Hardiness Zone Map lists ZIP 30624 in zone 8a, the band where the coldest night of the year averaged 10 to 15°F (-12.2 to -9.4°C) over 1991–2020; a zone describes winter lows, not frost dates.