Frost Dates for 13411 — New Berlin, New York

Half of springs at Sherburne, NY see their last 32°F night by May 13; only one in ten is past it by April 27, and one in ten still has one after May 28. Planting tender crops after May 19 leaves a 30% risk of a frost on them, after May 24 20%, and after May 28 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 4 in half of years, as early as September 22 one year in ten, and holds off past October 20 one year in ten. A hard freeze of 28°F follows 14 days later, around October 18; in spring the one-in-ten date for 28°F is May 17, 11 days before the 32°F one. The freeze-free season lasts 145 days in a typical year, shorter than at 80% of the 173 New York stations; it reaches 166 days one year in ten and falls short of 123 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 12 days longer, to about May 25, and return around September 25. Severe cold of 16°F or below comes every winter, usually between November 23 and March 30.

July is the warmest month at Sherburne, NY, averaging 80°F by day and 57°F at night; January is the coldest at 31°F and 13°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 81% of years.

Warmth for growing adds up to 2,239 growing degree days a year (base 50°F), fewer than at 71% of the 173 New York stations. 32% of them (706) have built up by the end of June, and July adds the most, 577. Precipitation totals 42.2 inches a year, most in June (4.8") and least in February (2.3"); May to September bring 49% of it.

The nearest other station, Norwich, NY, 13 miles southwest of New Berlin, has the same 50% last-frost date, the same first-frost date, a season 3 days shorter.

The first measurable snow (0.1 inch or more) in New Berlin usually arrives around November 9, and the last of the season around April 6. Those are the middle dates across the winters of 1991–2020 at Sherburne, NY, 10.4 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 37 days after the last snow.

ZIP 13411 is 10 miles from Sherburne, NY, which stands at 1,095 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 2 other ZIP codes share the station; its figures are presented in full for 13460 (Sherburne). The 2023 USDA Plant Hardiness Zone Map lists ZIP 13411 in zone 5b, the band where the coldest night of the year averaged -15 to -10°F (-26.1 to -23.3°C) over 1991–2020; a zone describes winter lows, not frost dates.