Frost Dates for 04254 — Livermore Falls, Maine

Half of springs at Livermore Falls 1 E, ME see their last 32°F night by May 11; only one in ten is past it by April 29, and one in ten still has one after May 24. Planting tender crops after May 16 leaves a 30% risk of a frost on them, after May 19 20%, and after May 24 10%. The 13 days between the even-odds date and the one-in-ten date is narrower than at 33% of the 52 Maine stations behind this site's ZIP pages.

In fall the first 32°F night comes by September 29 in half of years, as early as September 16 one year in ten, and holds off past October 11 one year in ten. A hard freeze of 28°F follows 9 days later, around October 8; in spring the one-in-ten date for 28°F is May 12, 12 days before the 32°F one. The freeze-free season lasts 138 days in a typical year, shorter than at 79% of the 52 Maine stations; it reaches 157 days one year in ten and falls short of 120 one year in ten. On average 180 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 23, and return around September 19. Severe cold of 16°F or below comes every winter, usually between November 16 and March 31.

July is the warmest month at Livermore Falls 1 E, ME, averaging 80°F by day and 57°F at night; January is the coldest at 28°F and 6°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 84% of years.

Warmth for growing adds up to 1,929 growing degree days a year (base 50°F), fewer than at 63% of the 52 Maine stations. 28% of them (550) have built up by the end of June, and July adds the most, 564. Precipitation totals 47.3 inches a year, most in October (5.2") and least in February (3.1"); May to September bring 40% of it.

The nearest other station, Turner, ME, 14 miles south of Livermore Falls and 185 feet higher, has a last frost 10 days earlier (May 1), a first frost 11 days later (October 10), a season 24 days longer.

The first measurable snow (0.1 inch or more) in Livermore Falls usually arrives around November 12, and the last of the season around April 12. Those are the middle dates across the winters of 1991–2020 at Livermore Falls 1 E, ME, 0.8 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 29 days after the last snow.

ZIP 04254 is under a mile from Livermore Falls 1 E, ME, which stands at 380 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 1 other ZIP code shares the station; its figures are presented in full for 04239 (Jay). The 2023 USDA Plant Hardiness Zone Map lists ZIP 04254 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.