Frost Dates for 43947 — Shadyside, Ohio

Half of springs at Moundsville, WV see their last 32°F night by April 26; only one in ten is past it by April 15, and one in ten still has one after May 12. Planting tender crops after May 2 leaves a 30% risk of a frost on them, after May 6 20%, and after May 12 10%. The 16 days between the even-odds date and the one-in-ten date is narrower than at 53% of the 148 Ohio stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 21 in half of years, as early as October 8 one year in ten, and holds off past November 2 one year in ten. A hard freeze of 28°F follows 11 days later, around November 1; in spring the one-in-ten date for 28°F is May 1, 11 days before the 32°F one. The freeze-free season lasts 177 days in a typical year, shorter than at 61% of the 148 Ohio stations; it reaches 195 days one year in ten and falls short of 157 one year in ten. On average 113 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 12. Severe cold of 16°F or below comes every winter, usually between December 8 and March 7.

July is the warmest month at Moundsville, WV, averaging 86°F by day and 62°F at night; January is the coldest at 39°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 3,280 growing degree days a year (base 50°F), more than at 57% of the 148 Ohio stations. 35% of them (1,146) have built up by the end of June, and July adds the most, 739. Precipitation totals 46.2 inches a year, most in June (4.9") and least in February (3.1"); May to September bring 47% of it.

The nearest other station, Wheeling, WV, 7 miles north of Shadyside, has a last frost 6 days earlier (April 20), a first frost 8 days later (October 29), a season 15 days longer.

The first measurable snow (0.1 inch or more) in Shadyside usually arrives around December 16, and the last of the season around March 6. Those are the middle dates across the winters of 1991–2020 at Moundsville, WV, 4.1 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 51 days after the last snow.

ZIP 43947 is 4 miles from Moundsville, WV, which stands at 620 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 4 other ZIP codes share the station; its figures are presented in full for 26041 (Moundsville). The 2023 USDA Plant Hardiness Zone Map lists ZIP 43947 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.