Frost Dates for 12846 — Lake Luzerne, New York

Half of springs at Conklingville Dam, NY see their last 32°F night by April 30; only one in ten is past it by April 18, and one in ten still has one after May 13. Planting tender crops after May 4 leaves a 30% risk of a frost on them, after May 7 20%, and after May 13 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 16 in half of years, as early as October 2 one year in ten, and holds off past November 3 one year in ten. A hard freeze of 28°F follows 15 days later, around October 31; in spring the one-in-ten date for 28°F is May 1, 12 days before the 32°F one. The freeze-free season lasts 169 days in a typical year, longer than at 64% of the 173 New York stations; it reaches 191 days one year in ten and falls short of 152 one year in ten. On average 153 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 9 days longer, to about May 9, and return around October 4. Severe cold of 16°F or below comes every winter, usually between November 30 and March 24.

July is the warmest month at Conklingville Dam, NY, averaging 77°F by day and 60°F at night; January is the coldest at 29°F and 12°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 43% of years.

Warmth for growing adds up to 2,160 growing degree days a year (base 50°F), fewer than at 78% of the 173 New York stations. 31% of them (666) have built up by the end of June, and July adds the most, 578. Precipitation totals 45.8 inches a year, most in June (4.7") and least in February (2.9"); May to September bring 43% of it.

The nearest other station, Glens Falls Farm, NY, 8 miles east of Lake Luzerne and 304 feet lower, has a last frost 17 days later (May 17), a first frost 17 days earlier (September 29), a season 34 days shorter.

The first measurable snow (0.1 inch or more) in Lake Luzerne usually arrives around November 17, and the last of the season around March 31. Those are the middle dates across the winters of 1991–2020 at Conklingville Dam, NY, 4.9 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 30 days after the last snow.

ZIP 12846 is 5 miles from Conklingville Dam, NY, which stands at 808 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 12822 (Corinth). The 2023 USDA Plant Hardiness Zone Map lists ZIP 12846 in zone 5a, the band where the coldest night of the year averaged -20 to -15°F (-28.9 to -26.1°C) over 1991–2020; a zone describes winter lows, not frost dates.