Frost Dates for 30830 — Waynesboro, Georgia

Half of springs at Waynesboro 2 S, GA see their last 32°F night by March 21; only one in ten is past it by February 28, and one in ten still has one after April 8. Planting tender crops after March 29 leaves a 30% risk of a frost on them, after April 2 20%, and after April 8 10%. The 18 days between the even-odds date and the one-in-ten date is narrower than at 41% of the 127 Georgia stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 9 in half of years, as early as October 28 one year in ten, and holds off past November 29 one year in ten. A hard freeze of 28°F follows 16 days later, around November 25; in spring the one-in-ten date for 28°F is March 27, 12 days before the 32°F one. The freeze-free season lasts 233 days in a typical year, shorter than at 53% of the 127 Georgia stations; it reaches 260 days one year in ten and falls short of 210 one year in ten. On average 52 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 April 4, and return around October 31. Nights of 24°F, cold enough to damage hardier plants, come in 99% of winters and 16°F in 47%.

July is the warmest month at Waynesboro 2 S, GA, averaging 92°F by day and 71°F at night; January is the coldest at 58°F and 34°F. A freezing night is all but certain in every month from December to February (a 90% chance or more). From May to September the chance of a 32°F night stays under 10% each month. In spring, March still brings one in 86% of years and April still brings one in 24% of years.

Warmth for growing adds up to 5,652 growing degree days a year (base 50°F), more than at 54% of the 127 Georgia stations. 41% of them (2,295) have built up by the end of June, and July adds the most, 967. Precipitation totals 48.2 inches a year, most in June (5.1") and least in May (2.8"); May to September bring 44% of it.

The nearest other station, Midville Exp Stn, GA, 19 miles southwest of Waynesboro, has a last frost 3 days earlier (March 18), a first frost 2 days later (November 11), a season 4 days longer.

Measurable snow is rare here: only 2 of 18 winters from 1991 to 2020 recorded 0.1 inch or more at Waynesboro 2 S, GA, 1 miles away, so there is no typical first-snow date to plan around.

ZIP 30830 is 1 mile from Waynesboro 2 S, GA, which stands at 277 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 1 other ZIP code shares the station. The 2023 USDA Plant Hardiness Zone Map lists ZIP 30830 in zone 8b, the band where the coldest night of the year averaged 15 to 20°F (-9.4 to -6.7°C) over 1991–2020; a zone describes winter lows, not frost dates.