Frost Dates for 42164 — Scottsville, Kentucky

Half of springs at Scottsville, KY see their last 32°F night by April 15; only one in ten is past it by March 29, and one in ten still has one after May 2. Planting tender crops after April 22 leaves a 30% risk of a frost on them, after April 26 20%, and after May 2 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 25 in half of years, as early as October 11 one year in ten, and holds off past November 5 one year in ten. A hard freeze of 28°F follows 8 days later, around November 2; in spring the one-in-ten date for 28°F is April 19, 13 days before the 32°F one. The freeze-free season lasts 194 days in a typical year, longer than at 51% of the 113 Kentucky stations; it reaches 215 days one year in ten and falls short of 172 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 12 days longer, to about April 27, and return around October 16. Severe cold of 16°F or below comes every winter, usually between December 6 and February 26.

July is the warmest month at Scottsville, KY, averaging 87°F by day and 65°F at night; January is the coldest at 45°F and 26°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 84% of years and May still brings one in 11% of years.

Warmth for growing adds up to 4,143 growing degree days a year (base 50°F), more than at 61% of the 113 Kentucky stations. 38% of them (1,576) have built up by the end of June, and July adds the most, 812. Precipitation totals 54.2 inches a year, most in May (5.5") and least in October (3.8"); May to September bring 44% of it.

The nearest other station, Bowling Green Warren Co Airport, KY, 19 miles northwest of Scottsville and 220 feet lower, has a last frost 10 days earlier (April 5), a first frost 6 days later (October 31), a season 14 days longer.

The first measurable snow (0.1 inch or more) in Scottsville usually arrives around January 6, and the last of the season around February 16. Those are the middle dates across the winters of 1991–2020 at Scottsville, KY, 2.9 miles away: half of years saw snow earlier, half later. Snow fell in 97% of those winters. The last 32°F night of spring typically comes 58 days after the last snow.

ZIP 42164 is 3 miles from Scottsville, KY, which stands at 743 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 42164 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.