Frost Dates for 72422 — Corning, Arkansas

Half of springs at Corning, AR see their last 32°F night by March 27; only one in ten is past it by March 10, and one in ten still has one after April 10. Planting tender crops after April 1 leaves a 30% risk of a frost on them, after April 5 20%, and after April 10 10%. The 14 days between the even-odds date and the one-in-ten date is the narrowest of the 105 Arkansas stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 4 in half of years, as early as October 22 one year in ten, and holds off past November 22 one year in ten. A hard freeze of 28°F follows 12 days later, around November 16; in spring the one-in-ten date for 28°F is April 1, 9 days before the 32°F one. The freeze-free season lasts 224 days in a typical year, shorter than at 47% of the 105 Arkansas stations; it reaches 247 days one year in ten and falls short of 202 one year in ten. On average 70 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 10 days longer, to about April 6, and return around October 25. Severe cold of 16°F or below comes in 95% of winters, usually between December 30 and February 5.

July is the warmest month at Corning, AR, averaging 90°F by day and 71°F at night; January is the coldest at 45°F and 28°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 31% of years.

Warmth for growing adds up to 4,852 growing degree days a year (base 50°F), fewer than at 64% of the 105 Arkansas stations. 39% of them (1,912) have built up by the end of June, and July adds the most, 942. Precipitation totals 49.4 inches a year, most in April (5.5") and least in January (3.3"); May to September bring 40% of it.

The nearest other station, Doniphan, MO, 20 miles northwest of Corning, has a last frost 16 days later (April 12), a first frost 9 days earlier (October 26), a season 28 days shorter.

The first measurable snow (0.1 inch or more) in Corning usually arrives around January 7, and the last of the season around February 9. Those are the middle dates across the winters of 1991–2020 at Corning, AR, 1.3 miles away: half of years saw snow earlier, half later. Snow fell in 96% of those winters. The last 32°F night of spring typically comes 46 days after the last snow.

ZIP 72422 is 1 mile from Corning, AR, which stands at 300 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 72422 in zone 7b, the band where the coldest night of the year averaged 5 to 10°F (-15.0 to -12.2°C) over 1991–2020; a zone describes winter lows, not frost dates.