Frost Dates for 30453 — Reidsville, Georgia

Half of springs at Glennville 3NW, GA see their last 32°F night by March 9; only one in ten is past it by February 16, and one in ten still has one after March 30. Planting tender crops after March 18 leaves a 30% risk of a frost on them, after March 23 20%, and after March 30 10%. The 21 days between the even-odds date and the one-in-ten date is wider than at 83% of the 127 Georgia stations behind this site's ZIP pages, so a fixed calendar date is a gamble here.

In fall the first 32°F night comes by November 24 in half of years, as early as November 5 one year in ten, and holds off past December 15 one year in ten. A hard freeze of 28°F follows 15 days later, around December 9; in spring the one-in-ten date for 28°F is March 17, 13 days before the 32°F one. The freeze-free season lasts 258 days in a typical year, longer than at 84% of the 127 Georgia stations; it reaches 287 days one year in ten and falls short of 231 one year in ten. On average 30 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 14 days longer, to about March 23, and return around November 9. Nights of 24°F, cold enough to damage hardier plants, come in 90% of winters and 16°F in 17%.

July is the warmest month at Glennville 3NW, GA, averaging 92°F by day and 72°F at night; January is the coldest at 61°F and 38°F. A freezing night is all but certain in every month from December to February (a 90% chance or more). From April to October the chance of a 32°F night stays under 10% each month. In spring, March still brings one in 70% of years.

Warmth for growing adds up to 6,266 growing degree days a year (base 50°F), more than at 77% of the 127 Georgia stations. 41% of them (2,596) have built up by the end of June, and July adds the most, 989. Precipitation totals 49.9 inches a year, most in August (7.5") and least in November (2.6"); May to September bring 51% of it.

The nearest other station, Baxley 5NNW, GA, 21 miles southwest of Reidsville, has a last frost 6 days later (March 15), a first frost 6 days earlier (November 18), a season 8 days shorter.

Measurable snow is rare here: only 0 of 20 winters from 1991 to 2020 recorded 0.1 inch or more at Glennville 3NW, GA, 11 miles away, so there is no typical first-snow date to plan around.

ZIP 30453 is 11 miles from Glennville 3NW, GA, which stands at 200 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 30427 (Glennville). The 2023 USDA Plant Hardiness Zone Map lists ZIP 30453 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.