Frost Dates for 72833 — Danville, Arkansas

Half of springs at Blue Mountain Dam, AR see their last 32°F night by March 31; only one in ten is past it by March 12, and one in ten still has one after April 17. Planting tender crops after April 7 leaves a 30% risk of a frost on them, after April 11 20%, and after April 17 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 1 in half of years, as early as October 18 one year in ten, and holds off past November 17 one year in ten. A hard freeze of 28°F follows 11 days later, around November 12; in spring the one-in-ten date for 28°F is April 4, 13 days before the 32°F one. The freeze-free season lasts 215 days in a typical year, shorter than at 64% of the 105 Arkansas stations; it reaches 238 days one year in ten and falls short of 193 one year in ten. On average 71 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 12 days longer, to about April 12, and return around October 23. Severe cold of 16°F or below comes in 94% of winters, usually between December 29 and February 3.

July is the warmest month at Blue Mountain Dam, AR, averaging 93°F by day and 69°F at night; January is the coldest at 50°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 49% of years.

Warmth for growing adds up to 5,003 growing degree days a year (base 50°F), fewer than at 55% of the 105 Arkansas stations. 38% of them (1,904) have built up by the end of June, and July adds the most, 959. Precipitation totals 49.7 inches a year, most in May (5.1") and least in January (3.4"); May to September bring 41% of it.

The nearest other station, Nimrod Dam, AR, 16 miles southeast of Danville, has a last frost 9 days earlier (March 22), a first frost 10 days later (November 11), a season 18 days longer.

The first measurable snow (0.1 inch or more) in Danville usually arrives around January 2, and the last of the season around February 2. Those are the middle dates across the winters of 1991–2020 at Danville, AR, 1.5 miles away: half of years saw snow earlier, half later. Snow fell in 56% of those winters. The last 32°F night of spring typically comes 57 days after the last snow.

ZIP 72833 is 14 miles from Blue Mountain Dam, AR, which stands at 426 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 1 other ZIP code shares the station. The 2023 USDA Plant Hardiness Zone Map lists ZIP 72833 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.