Frost Dates for 35650 — Moulton, Alabama

Half of springs at Moulton 2, AL see their last 32°F night by April 2; only one in ten is past it by March 17, and one in ten still has one after April 18. Planting tender crops after April 8 leaves a 30% risk of a frost on them, after April 12 20%, and after April 18 10%. The 16 days between the even-odds date and the one-in-ten date is narrower than at 80% of the 115 Alabama stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 31 in half of years, as early as October 18 one year in ten, and holds off past November 14 one year in ten. A hard freeze of 28°F follows 8 days later, around November 8; in spring the one-in-ten date for 28°F is April 7, 11 days before the 32°F one. The freeze-free season lasts 209 days in a typical year, shorter than at 89% of the 115 Alabama stations; it reaches 231 days one year in ten and falls short of 190 one year in ten. On average 66 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 11 days longer, to about April 13, and return around October 21. Severe cold of 16°F or below comes in 94% of winters, usually between December 27 and February 6.

July is the warmest month at Moulton 2, AL, averaging 88°F by day and 68°F at night; January is the coldest at 51°F and 30°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 56% of years.

Warmth for growing adds up to 4,808 growing degree days a year (base 50°F), fewer than at 86% of the 115 Alabama stations. 39% of them (1,885) have built up by the end of June, and July adds the most, 880. Precipitation totals 60.4 inches a year, most in December (6.4") and least in September (4.1"); May to September bring 39% of it.

The nearest other station, Courtland 2 WSW, AL, 12 miles north of Moulton, has a last frost 5 days earlier (March 28), a first frost 3 days later (November 3), a season 12 days longer.

The first measurable snow (0.1 inch or more) in Moulton usually arrives around January 23, and the last of the season around February 2. Those are the middle dates across the winters of 1991–2020 at Moulton 2, AL, 1.3 miles away: half of years saw snow earlier, half later. Snow fell in 71% of those winters. The last 32°F night of spring typically comes 59 days after the last snow.

ZIP 35650 is 1 mile from Moulton 2, AL, which stands at 622 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 35650 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.