Frost Dates for 43136 — Lithopolis, Ohio

Half of springs at Lancaster Fairfield Airport, OH see their last 32°F night by April 26; only one in ten is past it by April 12, 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 13 in half of years, as early as October 1 one year in ten, and holds off past October 28 one year in ten. A hard freeze of 28°F follows 11 days later, around October 24; in spring the one-in-ten date for 28°F is May 2, 10 days before the 32°F one. The freeze-free season lasts 169 days in a typical year, shorter than at 84% of the 148 Ohio stations; it reaches 189 days one year in ten and falls short of 149 one year in ten. On average 120 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 9 days longer, to about May 5, and return around October 3. Severe cold of 16°F or below comes every winter, usually between December 1 and March 10.

July is the warmest month at Lancaster Fairfield Airport, OH, averaging 84°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 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 33% of years.

Warmth for growing adds up to 3,252 growing degree days a year (base 50°F), more than at 53% of the 148 Ohio stations. 37% of them (1,208) have built up by the end of June, and July adds the most, 722. Precipitation totals 40.4 inches a year, most in June (4.4") and least in February (2.3"); May to September bring 47% of it.

The nearest other station, Columbus-Valley Crossing, OH, 9 miles northwest of Lithopolis, has a last frost 3 days earlier (April 23), a first frost 6 days later (October 19), a season 8 days longer.

The first measurable snow (0.1 inch or more) in Lithopolis usually arrives around November 21, and the last of the season around March 29. Those are the middle dates across the winters of 1991–2020 at Columbus Port Columbus International Airport, OH, 13.6 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 28 days after the last snow.

ZIP 43136 is 9 miles from Lancaster Fairfield Airport, OH, which stands at 869 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 3 other ZIP codes share the station; its figures are presented in full for 43105 (Baltimore). The 2023 USDA Plant Hardiness Zone Map lists ZIP 43136 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.