Frost Dates for 31626 — Boston, Georgia

Half of springs at Quitman 2 NW, GA see their last 32°F night by March 11; only one in ten is past it by February 16, and one in ten still has one after March 31. Planting tender crops after March 19 leaves a 30% risk of a frost on them, after March 24 20%, and after March 31 10%. The 20 days between the even-odds date and the one-in-ten date is wider than at 70% of the 127 Georgia stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 18 in half of years, as early as November 1 one year in ten, and holds off past December 8 one year in ten. A hard freeze of 28°F follows 17 days later, around December 5; in spring the one-in-ten date for 28°F is March 17, 14 days before the 32°F one. The freeze-free season lasts 253 days in a typical year, longer than at 73% of the 127 Georgia stations; it reaches 284 days one year in ten and falls short of 226 one year in ten. On average 31 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 15 days longer, to about March 26, and return around November 7. Nights of 24°F, cold enough to damage hardier plants, come in 93% of winters and 16°F in 26%.

July is the warmest month at Quitman 2 NW, GA, averaging 92°F by day and 70°F at night; January is the coldest at 63°F and 37°F. A freezing night is all but certain in every month from December to February (a 90% chance or more). From May to October the chance of a 32°F night stays under 10% each month. In spring, March still brings one in 71% of years and April still brings one in 10% of years.

Warmth for growing adds up to 6,378 growing degree days a year (base 50°F), more than at 85% of the 127 Georgia stations. 42% of them (2,695) have built up by the end of June, and July adds the most, 952.

The nearest other station, Monticello 5 SE, FL, 20 miles south of Boston, has a last frost 4 days earlier (March 7), a first frost 5 days later (November 23), a season 9 days longer.

Measurable snow is rare here: only 0 of 18 winters from 1991 to 2020 recorded 0.1 inch or more at Quitman 2 NW, GA, 13 miles away, so there is no typical first-snow date to plan around.

ZIP 31626 is 13 miles from Quitman 2 NW, GA, which stands at 185 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 1 other ZIP code shares the station; its figures are presented in full for 31643 (Quitman). The 2023 USDA Plant Hardiness Zone Map lists ZIP 31626 in zone 9a, the band where the coldest night of the year averaged 20 to 25°F (-6.7 to -3.9°C) over 1991–2020; a zone describes winter lows, not frost dates.