Frost Dates for 43014 — Danville, Ohio

Half of springs at Danville 2 W, OH see their last 32°F night by May 2; only one in ten is past it by April 20, and one in ten still has one after May 19. Planting tender crops after May 9 leaves a 30% risk of a frost on them, after May 14 20%, and after May 19 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 8 in half of years, as early as September 24 one year in ten, and holds off past October 21 one year in ten. A hard freeze of 28°F follows 12 days later, around October 20; in spring the one-in-ten date for 28°F is May 9, 10 days before the 32°F one. The freeze-free season lasts 157 days in a typical year, shorter than at 98% of the 148 Ohio stations; it reaches 174 days one year in ten and falls short of 136 one year in ten. On average 145 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 12 days longer, to about May 14, and return around September 29. Severe cold of 16°F or below comes every winter, usually between November 26 and March 18.

July is the warmest month at Danville 2 W, OH, averaging 82°F by day and 59°F at night; January is the coldest at 34°F and 17°F. A freezing night is all but certain in every month from October to April (a 90% chance or more). From June to August the chance of a 32°F night stays under 10% each month. In spring, May still brings one in 53% of years.

Warmth for growing adds up to 2,673 growing degree days a year (base 50°F), fewer than at 95% of the 148 Ohio stations. 34% of them (918) have built up by the end of June, and July adds the most, 643. Precipitation totals 42.4 inches a year, most in June (4.9") and least in February (2.5"); May to September bring 48% of it.

The nearest other station, Fredericktown 4 S, OH, 15 miles west of Danville, has a last frost 1 day earlier (May 1), a first frost 2 days later (October 10), a season 4 days longer.

The first measurable snow (0.1 inch or more) in Danville usually arrives around November 24, and the last of the season around April 5. Those are the middle dates across the winters of 1991–2020 at Danville 2 W, OH, 3 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 27 days after the last snow.

ZIP 43014 is 3 miles from Danville 2 W, OH, which stands at 970 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 4 other ZIP codes share the station; its figures are presented in full for 43028 (Howard). The 2023 USDA Plant Hardiness Zone Map lists ZIP 43014 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.