Frost Dates for 44057 — Madison, Ohio

Half of springs at Painesville 4 NW, OH see their last 32°F night by April 15; only one in ten is past it by April 2, and one in ten still has one after April 27. Planting tender crops after April 20 leaves a 30% risk of a frost on them, after April 23 20%, and after April 27 10%. The 12 days between the even-odds date and the one-in-ten date is the narrowest of the 148 Ohio stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 9 in half of years, as early as October 30 one year in ten, and holds off past November 25 one year in ten. A hard freeze of 28°F follows 12 days later, around November 21; in spring the one-in-ten date for 28°F is April 18, 9 days before the 32°F one. The freeze-free season lasts 209 days in a typical year, longer than at 99% of the 148 Ohio stations; it reaches 229 days one year in ten and falls short of 191 one year in ten. On average 100 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 13 days longer, to about April 28, and return around October 30. Severe cold of 16°F or below comes every winter, usually between December 28 and March 3.

July is the warmest month at Painesville 4 NW, OH, averaging 82°F by day and 67°F at night; January is the coldest at 37°F and 24°F. A freezing night is all but certain in every month from November to April (a 90% chance or more). From May to September the chance of a 32°F night stays under 10% each month.

Warmth for growing adds up to 3,393 growing degree days a year (base 50°F), more than at 68% of the 148 Ohio stations. 31% of them (1,058) have built up by the end of June, and July adds the most, 763. Precipitation totals 40.3 inches a year, most in July (4.1") and least in February (2.2"); May to September bring 46% of it.

The nearest other station, Chardon, OH, 16 miles southwest of Madison and 530 feet higher, has a last frost 20 days later (May 5), a first frost 22 days earlier (October 18), a season 45 days shorter.

The first measurable snow (0.1 inch or more) in Madison usually arrives around December 3, and the last of the season around March 25. Those are the middle dates across the winters of 1991–2020 at Painesville 4 NW, OH, 12.6 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 21 days after the last snow.

ZIP 44057 is 13 miles from Painesville 4 NW, OH, which stands at 600 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 44060 (Mentor). The 2023 USDA Plant Hardiness Zone Map lists ZIP 44057 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.