Frost Dates for 72126 — Perryville, Arkansas

Half of springs at Alum Fk, AR see their last 32°F night by March 28; only one in ten is past it by March 9, and one in ten still has one after April 12. Planting tender crops after April 4 leaves a 30% risk of a frost on them, after April 7 20%, and after April 12 10%. The 15 days between the even-odds date and the one-in-ten date is narrower than at 86% of the 105 Arkansas stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 8 in half of years, as early as October 26 one year in ten, and holds off past November 25 one year in ten. A hard freeze of 28°F follows 11 days later, around November 19; in spring the one-in-ten date for 28°F is April 2, 10 days before the 32°F one. The freeze-free season lasts 226 days in a typical year, longer than at 55% of the 105 Arkansas stations; it reaches 249 days one year in ten and falls short of 204 one year in ten. On average 69 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 8, and return around October 29. Nights of 24°F, cold enough to damage hardier plants, come in 100% of winters and 16°F in 90%.

July is the warmest month at Alum Fk, AR, averaging 90°F by day and 70°F at night; January is the coldest at 49°F and 29°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 42% of years.

Warmth for growing adds up to 4,806 growing degree days a year (base 50°F), fewer than at 68% of the 105 Arkansas stations. 38% of them (1,812) have built up by the end of June, and July adds the most, 921. Precipitation totals 58.4 inches a year, most in April (5.8") and least in January (3.9"); May to September bring 39% of it.

The nearest other station, Morrilton, AR, 14 miles northeast of Perryville and 358 feet lower, has a last frost 2 days later (March 30), a first frost 6 days earlier (November 2), a season 7 days shorter.

Measurable snow is rare here: only 9 of 27 winters from 1991 to 2020 recorded 0.1 inch or more at Lake Maumelle, AR, 22.9 miles away, so there is no typical first-snow date to plan around.

ZIP 72126 is 12 miles from Alum Fk, AR, which stands at 698 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 72126 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.