Frost Dates for 72562 — Newark, Arkansas

Half of springs at Newport, AR see their last 32°F night by March 18; only one in ten is past it by February 28, and one in ten still has one after April 4. Planting tender crops after March 25 leaves a 30% risk of a frost on them, after March 31 20%, and after April 4 10%. The 17 days between the even-odds date and the one-in-ten date is narrower than at 41% of the 105 Arkansas stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 11 in half of years, as early as October 31 one year in ten, and holds off past December 1 one year in ten. A hard freeze of 28°F follows 14 days later, around November 25; in spring the one-in-ten date for 28°F is March 25, 10 days before the 32°F one. The freeze-free season lasts 240 days in a typical year, longer than at 86% of the 105 Arkansas stations; it reaches 264 days one year in ten and falls short of 218 one year in ten. On average 60 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 13 days longer, to about March 31, and return around October 31. Nights of 24°F, cold enough to damage hardier plants, come in 100% of winters and 16°F in 80%.

July is the warmest month at Newport, AR, averaging 89°F by day and 72°F at night; January is the coldest at 46°F and 30°F. A freezing night is all but certain in every month from December 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 17% of years.

Warmth for growing adds up to 4,954 growing degree days a year (base 50°F), fewer than at 56% of the 105 Arkansas stations. 39% of them (1,930) have built up by the end of June, and July adds the most, 952. Precipitation totals 51.3 inches a year, most in May (5.6") and least in August (3.0"); May to September bring 38% of it.

The nearest other station, Batesville L&D 1, AR, 12 miles west of Newark, has a last frost 12 days later (March 30), a first frost 6 days earlier (November 5), a season 19 days shorter.

The first measurable snow (0.1 inch or more) in Newark usually arrives around January 12, and the last of the season around February 10. Those are the middle dates across the winters of 1991–2020 at Newport, AR, 12 miles away: half of years saw snow earlier, half later. Snow fell in 59% of those winters. The last 32°F night of spring typically comes 36 days after the last snow.

ZIP 72562 is 12 miles from Newport, AR, which stands at 228 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 72112 (Newport). The 2023 USDA Plant Hardiness Zone Map lists ZIP 72562 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.