Frost Dates for 43793 — Woodsfield, Ohio

Half of springs at Hannibal Locks & Dam, OH see their last 32°F night by April 26; only one in ten is past it by April 13, and one in ten still has one after May 13. Planting tender crops after May 2 leaves a 30% risk of a frost on them, after May 7 20%, and after May 13 10%. The 17 days between the even-odds date and the one-in-ten date is narrower than at 24% of the 148 Ohio stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 26 in half of years, as early as October 12 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 3; in spring the one-in-ten date for 28°F is April 30, 13 days before the 32°F one. The freeze-free season lasts 182 days in a typical year, longer than at 55% of the 148 Ohio stations; it reaches 199 days one year in ten and falls short of 162 one year in ten. On average 121 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 10 days longer, to about May 6, and return around October 15. Severe cold of 16°F or below comes every winter, usually between December 10 and March 7.

July is the warmest month at Hannibal Locks & Dam, OH, averaging 83°F by day and 62°F at night; January is the coldest at 38°F and 20°F. A freezing night is all but certain in every month from November 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 34% of years.

Warmth for growing adds up to 3,113 growing degree days a year (base 50°F), fewer than at 66% of the 148 Ohio stations. 34% of them (1,049) have built up by the end of June, and July adds the most, 702. Precipitation totals 45.1 inches a year, most in July (4.7") and least in November (2.9"); May to September bring 47% of it.

The nearest other station, Barnesville, OH, 18 miles north of Woodsfield and 660 feet higher, has a last frost 1 day later (April 27), a first frost 4 days earlier (October 22), a season 5 days shorter.

The first measurable snow (0.1 inch or more) in Woodsfield usually arrives around December 26, and the last of the season around February 28. Those are the middle dates across the winters of 1991–2020 at Hannibal Locks & Dam, OH, 13.4 miles away: half of years saw snow earlier, half later. Snow fell in 76% of those winters. The last 32°F night of spring typically comes 57 days after the last snow.

ZIP 43793 is 13 miles from Hannibal Locks & Dam, OH, which stands at 620 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 2 other ZIP codes share the station; its figures are presented in full for 26155 (New Martinsville). The 2023 USDA Plant Hardiness Zone Map lists ZIP 43793 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.