Frost Dates for 31211 — Macon, Georgia

Half of springs at Macon Middle Ga Regional Airport, 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 7. Planting tender crops after March 29 leaves a 30% risk of a frost on them, after April 2 20%, and after April 7 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 10 in half of years, as early as October 29 one year in ten, and holds off past November 29 one year in ten. A hard freeze of 28°F follows 14 days later, around November 24; in spring the one-in-ten date for 28°F is March 24, 14 days before the 32°F one. The freeze-free season lasts 235 days in a typical year, longer than at 50% of the 127 Georgia stations; it reaches 260 days one year in ten and falls short of 212 one year in ten. On average 44 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 1. Nights of 24°F, cold enough to damage hardier plants, come in 98% of winters and 16°F in 38%.

July is the warmest month at Macon Middle Ga Regional Airport, GA, averaging 94°F by day and 72°F at night; January is the coldest at 59°F and 36°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 23% of years.

Warmth for growing adds up to 6,077 growing degree days a year (base 50°F), more than at 70% of the 127 Georgia stations. 41% of them (2,495) have built up by the end of June, and July adds the most, 1,007. Precipitation totals 47.0 inches a year, most in July (4.8") and least in October (2.6"); May to September bring 43% of it.

The nearest other station, Warner Robins, GA, 19 miles south of Macon, has a last frost 10 days earlier (March 11), a first frost 9 days later (November 19), a season 21 days longer.

Measurable snow is rare here: only 3 of 15 winters from 1991 to 2020 recorded 0.1 inch or more at Macon Middle Ga Regional Airport, GA, 13.7 miles away, so there is no typical first-snow date to plan around.

ZIP 31211 is 14 miles from Macon Middle Ga Regional Airport, GA, which stands at 343 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 9 other ZIP codes share the station; its figures are presented in full for 31210 (Macon). The 2023 USDA Plant Hardiness Zone Map lists ZIP 31211 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.