Frost Dates for 72736 — Gravette, Arkansas

Half of springs at Gravette, AR see their last 32°F night by April 5; only one in ten is past it by March 18, and one in ten still has one after April 26. Planting tender crops after April 13 leaves a 30% risk of a frost on them, after April 19 20%, and after April 26 10%. The 21 days between the even-odds date and the one-in-ten date is wider than at 97% of the 105 Arkansas stations behind this site's ZIP pages, so a fixed calendar date is a gamble here.

In fall the first 32°F night comes by October 28 in half of years, as early as October 15 one year in ten, and holds off past November 12 one year in ten. A hard freeze of 28°F follows 10 days later, around November 7; in spring the one-in-ten date for 28°F is April 10, 16 days before the 32°F one. The freeze-free season lasts 204 days in a typical year, shorter than at 86% of the 105 Arkansas stations; it reaches 230 days one year in ten and falls short of 181 one year in ten. On average 78 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 15 days longer, to about April 20, and return around October 20. Severe cold of 16°F or below comes every winter, usually between December 12 and February 19.

July is the warmest month at Gravette, AR, averaging 93°F by day and 69°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 61% of years.

Warmth for growing adds up to 5,044 growing degree days a year (base 50°F), fewer than at 52% of the 105 Arkansas stations. 39% of them (1,958) have built up by the end of June, and July adds the most, 956. Precipitation totals 48.7 inches a year, most in May (6.2") and least in February (2.7"); May to September bring 47% of it.

The nearest other station, Fayetteville NW Ar Airport, AR, 12 miles southeast of Gravette, has a last frost 3 days later (April 8), the same first-frost date, a season 1 day shorter.

The first measurable snow (0.1 inch or more) in Gravette usually arrives around December 17, and the last of the season around February 28. Those are the middle dates across the winters of 1991–2020 at Gravette, AR, 1 miles away: half of years saw snow earlier, half later. Every one of those winters saw snow. The last 32°F night of spring typically comes 36 days after the last snow.

ZIP 72736 is 1 mile from Gravette, AR, which stands at 1,260 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 72715 (Bella Vista). The 2023 USDA Plant Hardiness Zone Map lists ZIP 72736 in zone 7a, the band where the coldest night of the year averaged 0 to 5°F (-17.8 to -15.0°C) over 1991–2020; a zone describes winter lows, not frost dates.