Frost Dates for 30114 — Canton, Georgia

Half of springs at Allatoona Dam 2, GA see their last 32°F night by April 2; only one in ten is past it by March 14, and one in ten still has one after April 19. Planting tender crops after April 8 leaves a 30% risk of a frost on them, after April 12 20%, and after April 19 10%. The 17 days between the even-odds date and the one-in-ten date is narrower than at 56% of the 127 Georgia stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 4 in half of years, as early as October 21 one year in ten, and holds off past November 21 one year in ten. A hard freeze of 28°F follows 10 days later, around November 14; in spring the one-in-ten date for 28°F is April 6, 13 days before the 32°F one. The freeze-free season lasts 215 days in a typical year, shorter than at 84% of the 127 Georgia stations; it reaches 239 days one year in ten and falls short of 193 one year in ten. On average 68 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 11 days longer, to about April 13, and return around October 26. Nights of 24°F, cold enough to damage hardier plants, come in 100% of winters and 16°F in 89%.

July is the warmest month at Allatoona Dam 2, GA, averaging 88°F by day and 67°F at night; January is the coldest at 51°F and 29°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 53% of years.

Warmth for growing adds up to 4,588 growing degree days a year (base 50°F), fewer than at 87% of the 127 Georgia stations. 38% of them (1,754) have built up by the end of June, and July adds the most, 857. Precipitation totals 51.6 inches a year, most in March (5.0") and least in October (3.4"); May to September bring 40% of it.

The nearest other station, Cartersville, GA, 17 miles west of Canton and 186 feet lower, has a last frost 9 days later (April 11), a first frost 9 days earlier (October 26), a season 18 days shorter.

Measurable snow is rare here: only 2 of 24 winters from 1991 to 2020 recorded 0.1 inch or more at Allatoona Dam 2, GA, 13.6 miles away, so there is no typical first-snow date to plan around.

ZIP 30114 is 14 miles from Allatoona Dam 2, GA, which stands at 975 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 4 other ZIP codes share the station; its figures are presented in full for 30188 (Woodstock). The 2023 USDA Plant Hardiness Zone Map lists ZIP 30114 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.