Frost Dates for 43431 — Gibsonburg, Ohio

Half of springs at Fremont Ag Stn, OH see their last 32°F night by April 21; only one in ten is past it by April 8, and one in ten still has one after May 6. Planting tender crops after April 27 leaves a 30% risk of a frost on them, after April 30 20%, and after May 6 10%. The 15 days between the even-odds date and the one-in-ten date is narrower than at 77% of the 148 Ohio stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 24 in half of years, as early as October 8 one year in ten, and holds off past November 6 one year in ten. A hard freeze of 28°F follows 10 days later, around November 3; 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 183 days in a typical year, longer than at 59% of the 148 Ohio stations; it reaches 205 days one year in ten and falls short of 163 one year in ten. On average 137 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 10 days longer, to about May 1, and return around October 10. Severe cold of 16°F or below comes every winter, usually between December 8 and March 10.

July is the warmest month at Fremont Ag Stn, OH, averaging 84°F by day and 64°F at night; January is the coldest at 33°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 20% of years.

Warmth for growing adds up to 3,141 growing degree days a year (base 50°F), fewer than at 63% of the 148 Ohio stations. 35% of them (1,098) have built up by the end of June, and July adds the most, 736. Precipitation totals 34.9 inches a year, most in May (3.7") and least in February (2.0"); May to September bring 50% of it.

The nearest other station, Fremont, OH, 11 miles east of Gibsonburg, has a last frost 5 days later (April 26), a first frost 1 day earlier (October 23), a season 4 days shorter.

The first measurable snow (0.1 inch or more) in Gibsonburg usually arrives around December 7, and the last of the season around March 21. Those are the middle dates across the winters of 1991–2020 at Fremont, OH, 11.3 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 31 days after the last snow.

ZIP 43431 is 10 miles from Fremont Ag Stn, OH, which stands at 664 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 43431 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.