Frost Dates for 36732 — Demopolis, Alabama

Half of springs at Demopolis L&D, AL see their last 32°F night by March 16; only one in ten is past it by February 26, and one in ten still has one after April 3. Planting tender crops after March 23 leaves a 30% risk of a frost on them, after March 27 20%, and after April 3 10%. The 18 days between the even-odds date and the one-in-ten date is narrower than at 46% of the 115 Alabama stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 14 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 12 days later, around November 26; in spring the one-in-ten date for 28°F is March 19, 15 days before the 32°F one. The freeze-free season lasts 241 days in a typical year, longer than at 67% of the 115 Alabama stations; it reaches 268 days one year in ten and falls short of 217 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 13 days longer, to about March 29, and return around November 3. Nights of 24°F, cold enough to damage hardier plants, come in 99% of winters and 16°F in 49%.

July is the warmest month at Demopolis L&D, AL, averaging 92°F by day and 71°F at night; January is the coldest at 57°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 84% of years and April still brings one in 13% of years.

Warmth for growing adds up to 5,813 growing degree days a year (base 50°F), more than at 65% of the 115 Alabama stations. 41% of them (2,355) have built up by the end of June, and July adds the most, 973. Precipitation totals 56.6 inches a year, most in March (5.8") and least in October (3.3"); May to September bring 38% of it.

The nearest other station, Greensboro 2 WNW, AL, 20 miles northeast of Demopolis and 180 feet higher, has a last frost 1 day later (March 17), a first frost 3 days earlier (November 11), a season 1 day shorter.

Measurable snow is rare here: only 1 of 21 winters from 1991 to 2020 recorded 0.1 inch or more at Demopolis L&D, AL, 2.6 miles away, so there is no typical first-snow date to plan around.

ZIP 36732 is 3 miles from Demopolis L&D, AL, which stands at 100 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 2 other ZIP codes share the station. The 2023 USDA Plant Hardiness Zone Map lists ZIP 36732 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.