Frost Dates for 36277 — Weaver, Alabama

Half of springs at Anniston Metro Airport, AL see their last 32°F night by March 23; only one in ten is past it by March 1, and one in ten still has one after April 9. Planting tender crops after March 31 leaves a 30% risk of a frost on them, after April 4 20%, and after April 9 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 9 in half of years, as early as October 27 one year in ten, and holds off past November 25 one year in ten. A hard freeze of 28°F follows 12 days later, around November 21; in spring the one-in-ten date for 28°F is March 28, 12 days before the 32°F one. The freeze-free season lasts 231 days in a typical year, shorter than at 49% of the 115 Alabama stations; it reaches 257 days one year in ten and falls short of 208 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 14 days longer, to about April 6, and return around October 31. Nights of 24°F, cold enough to damage hardier plants, come in 100% of winters and 16°F in 66%.

July is the warmest month at Anniston Metro Airport, AL, averaging 90°F by day and 71°F at night; January is the coldest at 55°F and 34°F. A freezing night is all but certain in every month from November 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 88% of years and April still brings one in 29% of years.

Warmth for growing adds up to 5,472 growing degree days a year (base 50°F), fewer than at 55% of the 115 Alabama stations. 40% of them (2,192) have built up by the end of June, and July adds the most, 942. Precipitation totals 52.2 inches a year, most in March (5.4") and least in September (3.1"); May to September bring 39% of it.

The nearest other station, Heflin, AL, 14 miles southeast of Weaver and 406 feet higher, has a last frost 14 days later (April 6), a first frost 9 days earlier (October 31), a season 25 days shorter.

Measurable snow is rare here: only 1 of 17 winters from 1991 to 2020 recorded 0.1 inch or more at Jacksonville, AL, 5.4 miles away, so there is no typical first-snow date to plan around.

ZIP 36277 is 12 miles from Anniston Metro Airport, AL, which stands at 594 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 6 other ZIP codes share the station; its figures are presented in full for 36207 (Anniston). The 2023 USDA Plant Hardiness Zone Map lists ZIP 36277 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.