Frost Dates for 35042 — Centreville, Alabama

Half of springs at Centreville 6 SW, AL see their last 32°F night by April 2; only one in ten is past it by March 15, and one in ten still has one after April 19. Planting tender crops after April 9 leaves a 30% risk of a frost on them, after April 14 20%, and after April 19 10%. The 17 days between the even-odds date and the one-in-ten date is narrower than at 64% of the 115 Alabama stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 2 in half of years, as early as October 20 one year in ten, and holds off past November 18 one year in ten. A hard freeze of 28°F follows 11 days later, around November 13; in spring the one-in-ten date for 28°F is April 7, 12 days before the 32°F one. The freeze-free season lasts 215 days in a typical year, shorter than at 78% of the 115 Alabama stations; it reaches 239 days one year in ten and falls short of 193 one year in ten. On average 67 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 April 16, and return around October 25. Nights of 24°F, cold enough to damage hardier plants, come in 100% of winters and 16°F in 76%.

July is the warmest month at Centreville 6 SW, AL, averaging 91°F by day and 68°F at night; January is the coldest at 55°F and 32°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 54% of years.

Warmth for growing adds up to 5,142 growing degree days a year (base 50°F), fewer than at 69% of the 115 Alabama stations. 39% of them (2,019) have built up by the end of June, and July adds the most, 908. Precipitation totals 57.2 inches a year, most in February (5.9") and least in October (3.3"); May to September bring 39% of it.

The nearest other station, Alabaster Shelby Co Airport, AL, 25 miles northeast of Centreville, has a last frost 21 days earlier (March 12), a first frost 14 days later (November 16), a season 33 days longer.

Measurable snow is rare here: only 3 of 20 winters from 1991 to 2020 recorded 0.1 inch or more at Centreville 6 SW, AL, 8.9 miles away, so there is no typical first-snow date to plan around.

ZIP 35042 is 9 miles from Centreville 6 SW, AL, which stands at 450 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 2 other ZIP codes share the station; its figures are presented in full for 35184 (West Blocton). The 2023 USDA Plant Hardiness Zone Map lists ZIP 35042 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.