Frost Dates for 14131 — Ransomville, New York

Half of springs at Youngstown 2 E, NY see their last 32°F night by April 29; only one in ten is past it by April 18, and one in ten still has one after May 12. Planting tender crops after May 4 leaves a 30% risk of a frost on them, after May 7 20%, and after May 12 10%. The 13 days between the even-odds date and the one-in-ten date is narrower than at 83% of the 173 New York 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 10 one year in ten, and holds off past November 9 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 May 1, 11 days before the 32°F one. The freeze-free season lasts 181 days in a typical year, longer than at 75% of the 173 New York stations; it reaches 198 days one year in ten and falls short of 161 one year in ten. On average 129 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 9, and return around October 15. Severe cold of 16°F or below comes every winter, usually between December 12 and March 16.

July is the warmest month at Youngstown 2 E, NY, averaging 83°F by day and 63°F at night; January is the coldest at 34°F and 19°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 42% of years.

Warmth for growing adds up to 2,739 growing degree days a year (base 50°F), more than at 71% of the 173 New York stations. 29% of them (804) have built up by the end of June, and July adds the most, 704. Precipitation totals 34.4 inches a year, most in April (4.1") and least in February (2.2"); May to September bring 43% of it.

The nearest other station, Niagara Falls International Airport, NY, 9 miles south of Ransomville and 290 feet higher, has a last frost 2 days later (May 1), a first frost 9 days earlier (October 19), a season 14 days shorter.

The first measurable snow (0.1 inch or more) in Ransomville usually arrives around November 24, and the last of the season around April 8. Those are the middle dates across the winters of 1991–2020 at Youngstown 2 E, NY, 5.1 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 14131 is 5 miles from Youngstown 2 E, NY, which stands at 295 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 14092 (Lewiston). The 2023 USDA Plant Hardiness Zone Map lists ZIP 14131 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.