Frost Dates for 45118 — Fayetteville, Ohio

Half of springs at Cincinnati, OH see their last 32°F night by April 19; only one in ten is past it by April 5, and one in ten still has one after May 6. Planting tender crops after April 25 leaves a 30% risk of a frost on them, after April 30 20%, and after May 6 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 22 in half of years, as early as October 8 one year in ten, and holds off past November 3 one year in ten. A hard freeze of 28°F follows 10 days later, around November 1; in spring the one-in-ten date for 28°F is April 22, 14 days before the 32°F one. The freeze-free season lasts 185 days in a typical year, longer than at 68% of the 148 Ohio stations; it reaches 204 days one year in ten and falls short of 163 one year in ten. On average 110 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 11 days longer, to about April 30, and return around October 10. Severe cold of 16°F or below comes every winter, usually between December 6 and March 7.

July is the warmest month at Cincinnati, OH, averaging 84°F by day and 63°F at night; January is the coldest at 37°F and 21°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 18% of years.

Warmth for growing adds up to 3,368 growing degree days a year (base 50°F), more than at 66% of the 148 Ohio stations. 37% of them (1,240) have built up by the end of June, and July adds the most, 733. Precipitation totals 42.4 inches a year, most in May (4.6") and least in February (2.7"); May to September bring 45% of it.

The nearest other station, WFO Wilmington, OH, 18 miles northeast of Fayetteville, has a last frost 2 days earlier (April 17), the same first-frost date, a season 2 days longer.

The first measurable snow (0.1 inch or more) in Fayetteville usually arrives around November 21, and the last of the season around March 26. Those are the middle dates across the winters of 1991–2020 at WFO Wilmington, OH, 17.7 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 24 days after the last snow.

ZIP 45118 is 18 miles from Cincinnati, OH, which stands at 1,056 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 1 other ZIP code shares the station; its figures are presented in full for 45107 (Blanchester). The 2023 USDA Plant Hardiness Zone Map lists ZIP 45118 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.