Frost Dates for 12916 — Brushton, New York

Half of springs at Lawrenceville 3 SW, NY see their last 32°F night by May 10; only one in ten is past it by April 25, and one in ten still has one after May 25. Planting tender crops after May 16 leaves a 30% risk of a frost on them, after May 20 20%, and after May 25 10%. The 15 days between the even-odds date and the one-in-ten date is narrower than at 29% of the 173 New York stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 5 in half of years, as early as September 17 one year in ten, and holds off past October 22 one year in ten. A hard freeze of 28°F follows 11 days later, around October 16; in spring the one-in-ten date for 28°F is May 15, 10 days before the 32°F one. The freeze-free season lasts 148 days in a typical year, shorter than at 76% of the 173 New York stations; it reaches 169 days one year in ten and falls short of 125 one year in ten. On average 158 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 20, and return around September 23. Severe cold of 16°F or below comes every winter, usually between November 19 and April 1.

July is the warmest month at Lawrenceville 3 SW, NY, averaging 80°F by day and 59°F at night; January is the coldest at 27°F and 8°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 82% of years.

Warmth for growing adds up to 2,358 growing degree days a year (base 50°F), fewer than at 60% of the 173 New York stations. 32% of them (756) have built up by the end of June, and July adds the most, 603. Precipitation totals 39.5 inches a year, most in September (4.2") and least in February (2.1"); May to September bring 48% of it.

The nearest other station, Malone, NY, 10 miles east of Brushton and 412 feet higher, has a last frost 4 days earlier (May 6), a first frost 1 day earlier (October 4), a season 3 days longer.

The first measurable snow (0.1 inch or more) in Brushton usually arrives around November 3, and the last of the season around April 16. Those are the middle dates across the winters of 1991–2020 at Lawrenceville 3 SW, NY, 9.1 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 24 days after the last snow.

ZIP 12916 is 9 miles from Lawrenceville 3 SW, NY, which stands at 466 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 12916 in zone 4b, the band where the coldest night of the year averaged -25 to -20°F (-31.7 to -28.9°C) over 1991–2020; a zone describes winter lows, not frost dates.