Frost Dates for 41472 — West Liberty, Kentucky

Half of springs at W Liberty 3NW, KY see their last 32°F night by April 29; only one in ten is past it by April 13, and one in ten still has one after May 16. Planting tender crops after May 5 leaves a 30% risk of a frost on them, after May 10 20%, and after May 16 10%. The 17 days between the even-odds date and the one-in-ten date is narrower than at 47% of the 113 Kentucky stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 16 in half of years, as early as October 3 one year in ten, and holds off past October 31 one year in ten. A hard freeze of 28°F follows 10 days later, around October 26; in spring the one-in-ten date for 28°F is May 7, 9 days before the 32°F one. The freeze-free season lasts 169 days in a typical year, shorter than at 98% of the 113 Kentucky stations; it reaches 190 days one year in ten and falls short of 148 one year in ten. On average 141 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 8 days longer, to about May 7, and return around October 6. Severe cold of 16°F or below comes every winter, usually between November 29 and March 8.

July is the warmest month at W Liberty 3NW, KY, averaging 86°F by day and 63°F at night; January is the coldest at 43°F and 22°F. A freezing night is all but certain in every month from October to April (a 90% chance or more). From June to September the chance of a 32°F night stays under 10% each month. In spring, May still brings one in 42% of years.

Warmth for growing adds up to 3,502 growing degree days a year (base 50°F), fewer than at 93% of the 113 Kentucky stations. 36% of them (1,269) have built up by the end of June, and July adds the most, 756. Precipitation totals 47.0 inches a year, most in July (5.7") and least in October (3.1"); May to September bring 45% of it.

The nearest other station, Salyersville Wtr Wks, KY, 16 miles southeast of West Liberty and 190 feet higher, has a last frost 4 days earlier (April 25), a first frost 5 days later (October 21), a season 10 days longer.

The first measurable snow (0.1 inch or more) in West Liberty usually arrives around December 16, and the last of the season around February 28. Those are the middle dates across the winters of 1991–2020 at W Liberty 3NW, KY, 3.5 miles away: half of years saw snow earlier, half later. Snow fell in 86% of those winters. The last 32°F night of spring typically comes 60 days after the last snow.

ZIP 41472 is 4 miles from W Liberty 3NW, KY, which stands at 780 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 41472 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.