Frost Dates for 31820 — Midland, Georgia

Half of springs at Columbus #2, 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 9. Planting tender crops after March 29 leaves a 30% risk of a frost on them, after April 2 20%, and after April 9 10%. The 19 days between the even-odds date and the one-in-ten date is wider than at 60% of the 127 Georgia stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 11 in half of years, as early as October 31 one year in ten, and holds off past December 1 one year in ten. A hard freeze of 28°F follows 13 days later, around November 24; in spring the one-in-ten date for 28°F is March 26, 14 days before the 32°F one. The freeze-free season lasts 238 days in a typical year, longer than at 54% of the 127 Georgia stations; it reaches 265 days one year in ten and falls short of 212 one year in ten. On average 46 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 13 days longer, to about April 3, and return around November 3. Nights of 24°F, cold enough to damage hardier plants, come in 99% of winters and 16°F in 53%.

July is the warmest month at Columbus #2, GA, averaging 92°F by day and 70°F at night; January is the coldest at 58°F and 33°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 84% of years and April still brings one in 23% of years.

Warmth for growing adds up to 5,599 growing degree days a year (base 50°F), more than at 51% of the 127 Georgia stations. 40% of them (2,238) have built up by the end of June, and July adds the most, 959. Precipitation totals 51.8 inches a year, most in March (5.2") and least in October (3.1"); May to September bring 40% of it.

The nearest other station, Columbus Metro Airport, GA, 7 miles southwest of Midland, has a last frost 16 days earlier (March 5), a first frost 12 days later (November 23), a season 27 days longer.

Measurable snow is rare here: only 3 of 20 winters from 1991 to 2020 recorded 0.1 inch or more at Columbus #2, GA, 6.5 miles away, so there is no typical first-snow date to plan around.

ZIP 31820 is 7 miles from Columbus #2, GA, which stands at 435 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 31907 (Columbus). The 2023 USDA Plant Hardiness Zone Map lists ZIP 31820 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.