Frost Dates for 42050 — Hickman, Kentucky

Half of springs at Samburg Wr, TN see their last 32°F night by April 3; only one in ten is past it by March 17, and one in ten still has one after April 19. Planting tender crops after April 11 leaves a 30% risk of a frost on them, after April 15 20%, and after April 19 10%. The 16 days between the even-odds date and the one-in-ten date is narrower than at 68% of the 113 Kentucky 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 17 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 9, 10 days before the 32°F one. The freeze-free season lasts 211 days in a typical year, longer than at 90% of the 113 Kentucky stations; it reaches 234 days one year in ten and falls short of 189 one year in ten. On average 89 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 13 days longer, to about April 16, and return around October 20. Severe cold of 16°F or below comes in 97% of winters, usually between December 25 and February 11.

July is the warmest month at Samburg Wr, TN, averaging 87°F by day and 68°F at night; January is the coldest at 44°F and 27°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 59% of years.

Warmth for growing adds up to 4,366 growing degree days a year (base 50°F), more than at 80% of the 113 Kentucky stations. 39% of them (1,684) have built up by the end of June, and July adds the most, 857.

The nearest other station, Union City, TN, 15 miles southeast of Hickman, has the same 50% last-frost date, a first frost 3 days earlier (October 29), a season 3 days shorter.

The first measurable snow (0.1 inch or more) in Hickman usually arrives around December 31, and the last of the season around February 19. Those are the middle dates across the winters of 1991–2020 at Union City, TN, 14.7 miles away: half of years saw snow earlier, half later. Snow fell in 88% of those winters. The last 32°F night of spring typically comes 43 days after the last snow.

ZIP 42050 is 9 miles from Samburg Wr, TN, which stands at 310 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 42050 in zone 7b, the band where the coldest night of the year averaged 5 to 10°F (-15.0 to -12.2°C) over 1991–2020; a zone describes winter lows, not frost dates.