Frost Dates for 14561 — Stanley, New York

Half of springs at Geneva Rsch Farm, NY see their last 32°F night by April 30; only one in ten is past it by April 17, and one in ten still has one after May 12. Planting tender crops after May 5 leaves a 30% risk of a frost on them, after May 8 20%, and after May 12 10%. The 12 days between the even-odds date and the one-in-ten date is narrower than at 94% of the 173 New York stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 21 in half of years, as early as October 4 one year in ten, and holds off past November 4 one year in ten. A hard freeze of 28°F follows 12 days later, around November 2; 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 173 days in a typical year, longer than at 70% of the 173 New York stations; it reaches 193 days one year in ten and falls short of 153 one year in ten. On average 136 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 10, and return around October 7. Severe cold of 16°F or below comes every winter, usually between December 4 and March 21.

July is the warmest month at Geneva Rsch Farm, NY, averaging 79°F by day and 61°F at night; January is the coldest at 30°F and 16°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 46% of years.

Warmth for growing adds up to 2,419 growing degree days a year (base 50°F), fewer than at 55% of the 173 New York stations. 32% of them (764) have built up by the end of June, and July adds the most, 620. Precipitation totals 34.7 inches a year, most in October (3.8") and least in February (1.6"); May to September bring 50% of it.

The nearest other station, Canandaigua 3 S, NY, 8 miles west of Stanley, has a last frost 1 day earlier (April 29), a first frost 1 day later (October 22), a season 2 days longer.

The first measurable snow (0.1 inch or more) in Stanley usually arrives around November 14, and the last of the season around April 6. Those are the middle dates across the winters of 1991–2020 at Geneva Rsch Farm, NY, 6.7 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 24 days after the last snow.

ZIP 14561 is 7 miles from Geneva Rsch Farm, NY, which stands at 718 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 5 other ZIP codes share the station; its figures are presented in full for 14456 (Geneva). The 2023 USDA Plant Hardiness Zone Map lists ZIP 14561 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.