Frost Dates for 43804 — Baltic, Ohio

Half of springs at Coshocton Ag Rsch Stn, OH see their last 32°F night by April 18; only one in ten is past it by April 4, and one in ten still has one after May 5. Planting tender crops after April 23 leaves a 30% risk of a frost on them, after April 29 20%, and after May 5 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 28 in half of years, as early as October 11 one year in ten, and holds off past November 10 one year in ten. A hard freeze of 28°F follows 10 days later, around November 7; in spring the one-in-ten date for 28°F is April 20, 15 days before the 32°F one. The freeze-free season lasts 190 days in a typical year, longer than at 82% of the 148 Ohio stations; it reaches 210 days one year in ten and falls short of 168 one year in ten. On average 116 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 29, and return around October 16. Severe cold of 16°F or below comes every winter, usually between December 10 and March 11.

July is the warmest month at Coshocton Ag Rsch Stn, OH, averaging 83°F by day and 64°F at night; January is the coldest at 36°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 16% of years.

Warmth for growing adds up to 3,250 growing degree days a year (base 50°F), more than at 53% of the 148 Ohio stations. 35% of them (1,140) have built up by the end of June, and July adds the most, 722. Precipitation totals 39.7 inches a year, most in June (4.6") and least in February (2.0"); May to September bring 49% of it.

The nearest other station, Millersburg, OH, 12 miles northwest of Baltic and 321 feet lower, has a last frost 14 days later (May 2), a first frost 14 days earlier (October 14), a season 26 days shorter.

The first measurable snow (0.1 inch or more) in Baltic usually arrives around December 11, and the last of the season around March 10. Those are the middle dates across the winters of 1991–2020 at Millersburg, OH, 12 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 39 days after the last snow.

ZIP 43804 is 7 miles from Coshocton Ag Rsch Stn, OH, which stands at 1,140 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 2 other ZIP codes share the station; its figures are presented in full for 43832 (Newcomerstown). The 2023 USDA Plant Hardiness Zone Map lists ZIP 43804 in zone 6a, the band where the coldest night of the year averaged -10 to -5°F (-23.3 to -20.6°C) over 1991–2020; a zone describes winter lows, not frost dates.