Frost Dates for 41311 — Beattyville, Kentucky

Half of springs at Beattyville 4N, KY see their last 32°F night by April 12; only one in ten is past it by March 28, and one in ten still has one after May 6. Planting tender crops after April 22 leaves a 30% risk of a frost on them, after April 29 20%, and after May 6 10%. The 24 days between the even-odds date and the one-in-ten date is the widest of the 113 Kentucky 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 25 in half of years, as early as October 13 one year in ten, and holds off past November 7 one year in ten. A hard freeze of 28°F follows 11 days later, around November 5; in spring the one-in-ten date for 28°F is April 21, 15 days before the 32°F one. The freeze-free season lasts 192 days in a typical year, shorter than at 50% of the 113 Kentucky stations; it reaches 214 days one year in ten and falls short of 167 one year in ten. On average 98 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 16 days longer, to about April 28, and return around October 16. Severe cold of 16°F or below comes every winter, usually between December 15 and February 25.

July is the warmest month at Beattyville 4N, KY, averaging 84°F by day and 65°F at night; January is the coldest at 42°F and 24°F. A freezing night is all but certain in every month from November to March (a 90% chance or more). From June to September the chance of a 32°F night stays under 10% each month. In spring, April still brings one in 81% of years and May still brings one in 18% of years.

Warmth for growing adds up to 3,788 growing degree days a year (base 50°F), fewer than at 68% of the 113 Kentucky stations. 38% of them (1,422) have built up by the end of June, and July adds the most, 763. Precipitation totals 50.9 inches a year, most in July (6.1") and least in November (3.2"); May to September bring 44% of it.

The nearest other station, Heidelberg, KY, 4 miles southwest of Beattyville and 415 feet lower, has a last frost 5 days later (April 17), a first frost 3 days earlier (October 22), a season 3 days shorter.

The first measurable snow (0.1 inch or more) in Beattyville usually arrives around December 11, and the last of the season around March 6. Those are the middle dates across the winters of 1991–2020 at Beattyville 4N, KY, 3.9 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 37 days after the last snow.

ZIP 41311 is 4 miles from Beattyville 4N, KY, which stands at 1,080 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 41311 in zone 6b, the band where the coldest night of the year averaged -5 to 0°F (-20.6 to -17.8°C) over 1991–2020; a zone describes winter lows, not frost dates.