Frost Dates for 30909 — Augusta, Georgia

Half of springs at Augusta Daniel Field Airport, GA see their last 32°F night by February 27; only one in ten is past it by February 4, and one in ten still has one after March 19. Planting tender crops after March 6 leaves a 30% risk of a frost on them, after March 12 20%, and after March 19 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 December 4 in half of years, as early as November 15 one year in ten, and holds off past January 1 one year in ten. A hard freeze of 28°F follows 22 days later, around December 26; in spring the one-in-ten date for 28°F is March 6, 13 days before the 32°F one. The freeze-free season lasts 283 days in a typical year, longer than at 96% of the 127 Georgia stations; it reaches 314 days one year in ten and falls short of 255 one year in ten. On average 20 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 13, and return around November 19. Nights of 24°F, cold enough to damage hardier plants, come in 72% of winters and 16°F in 9%.

July is the warmest month at Augusta Daniel Field Airport, GA, averaging 94°F by day and 74°F at night; January is the coldest at 58°F and 40°F. A freezing night is all but certain in January (a 90% chance or more). From April to October the chance of a 32°F night stays under 10% each month. In spring, February still brings one in 87% of years and March still brings one in 44% of years.

Warmth for growing adds up to 6,606 growing degree days a year (base 50°F), more than at 91% of the 127 Georgia stations. 42% of them (2,761) have built up by the end of June, and July adds the most, 1,052. Precipitation totals 44.8 inches a year, most in August (5.0") and least in October (2.7"); May to September bring 48% of it.

The nearest other station, Augusta Bush Field Airport, GA, 10 miles southeast of Augusta and 291 feet lower, has a last frost 24 days later (March 23), a first frost 25 days earlier (November 9), a season 51 days shorter.

Measurable snow is rare here: only 9 of 30 winters from 1991 to 2020 recorded 0.1 inch or more at Augusta Bush Field Airport, GA, 9.9 miles away, so there is no typical first-snow date to plan around.

ZIP 30909 is 2 miles from Augusta Daniel Field Airport, GA, which stands at 423 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 8 other ZIP codes share the station; its figures are presented in full for 30809 (Evans). The 2023 USDA Plant Hardiness Zone Map lists ZIP 30909 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.