Frost Dates for 44688 — Waynesburg, Ohio

Half of springs at New Philadelphia, OH see their last 32°F night by April 30; only one in ten is past it by April 18, and one in ten still has one after May 17. Planting tender crops after May 7 leaves a 30% risk of a frost on them, after May 11 20%, and after May 17 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 15 in half of years, as early as October 2 one year in ten, and holds off past October 27 one year in ten. A hard freeze of 28°F follows 10 days later, around October 25; in spring the one-in-ten date for 28°F is May 6, 11 days before the 32°F one. The freeze-free season lasts 167 days in a typical year, shorter than at 87% of the 148 Ohio stations; it reaches 186 days one year in ten and falls short of 148 one year in ten. On average 134 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 10, and return around October 5. Severe cold of 16°F or below comes every winter, usually between December 1 and March 20.

July is the warmest month at New Philadelphia, OH, averaging 84°F by day and 62°F at night; January is the coldest at 36°F and 20°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 50% of years.

Warmth for growing adds up to 3,011 growing degree days a year (base 50°F), fewer than at 79% of the 148 Ohio stations. 34% of them (1,031) have built up by the end of June, and July adds the most, 701. Precipitation totals 42.3 inches a year, most in June (4.8") and least in February (2.5"); May to September bring 48% of it.

The nearest other station, Akron Canton Regional Airport, OH, 19 miles northwest of Waynesburg and 283 feet higher, has a last frost 6 days earlier (April 24), a first frost 11 days later (October 26), a season 17 days longer.

The first measurable snow (0.1 inch or more) in Waynesburg usually arrives around November 20, and the last of the season around March 26. Those are the middle dates across the winters of 1991–2020 at Louisville, OH, 10.7 miles away: half of years saw snow earlier, half later. Snow fell in 94% of those winters. The last 32°F night of spring typically comes 35 days after the last snow.

ZIP 44688 is 16 miles from New Philadelphia, OH, which stands at 925 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 10 other ZIP codes share the station; its figures are presented in full for 44663 (New Philadelphia). The 2023 USDA Plant Hardiness Zone Map lists ZIP 44688 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.