Frost Dates for 05450 — Enosburg Falls, Vermont

Half of springs at Enosburg Falls, VT see their last 32°F night by May 14; only one in ten is past it by April 30, and one in ten still has one after May 28. Planting tender crops after May 20 leaves a 30% risk of a frost on them, after May 24 20%, and after May 28 10%. The 14 days between the even-odds date and the one-in-ten date is narrower than at 54% of the 41 Vermont stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 1 in half of years, as early as September 18 one year in ten, and holds off past October 17 one year in ten. A hard freeze of 28°F follows 12 days later, around October 13; 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 139 days in a typical year, shorter than at 66% of the 41 Vermont stations; it reaches 158 days one year in ten and falls short of 118 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 14 days longer, to about May 28, and return around September 19. Severe cold of 16°F or below comes every winter, usually between November 16 and April 3.

July is the warmest month at Enosburg Falls, VT, averaging 82°F by day and 58°F at night; January is the coldest at 30°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 89% of years.

Warmth for growing adds up to 2,335 growing degree days a year (base 50°F), more than at 71% of the 41 Vermont stations. 32% of them (736) have built up by the end of June, and July adds the most, 606. Precipitation totals 41.1 inches a year, most in June (4.4") and least in February (2.0"); May to September bring 51% of it.

The nearest other station, Jay Peak, VT, 15 miles east of Enosburg Falls and 1,420 feet higher, has the same 50% last-frost date, the same first-frost date, a season 1 day shorter.

The first measurable snow (0.1 inch or more) in Enosburg Falls usually arrives around November 12, and the last of the season around April 5. Those are the middle dates across the winters of 1991–2020 at Enosburg Falls, VT, 1.9 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 39 days after the last snow.

ZIP 05450 is 2 miles from Enosburg Falls, VT, which stands at 420 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 05450 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.