Plant By Frost

Maine

Frost dates for Old Town 2 W, ME

At this NOAA station the last spring frost (32°F) usually comes by May 13 and the first fall frost around September 28, giving a growing season of about 137 days.

May 13average last spring frost
September 28average first fall frost
JanAprJulOctDec

Frost odds

1 year in 10 the last spring frost is later thanMay 28
Half of years the last spring frost is later thanMay 13
9 years in 10 the last spring frost is later thanApril 30
1 year in 10 the first fall frost is earlier thanSeptember 16
Half of years the first fall frost is earlier thanSeptember 28
9 years in 10 the first fall frost is earlier thanOctober 11

A hard freeze (28°F) usually ends by April 30 and returns around October 11.

A light frost (36°F, which can still nip tender plants) usually ends by May 28 and returns around September 18.

Station USW00094644, elevation 39 m. Based on 18 years of 1991 to 2020 records. A garden higher up, in a hollow or far from this station can freeze later in spring.

Check another ZIP

Sources

  1. U.S. Annual/Seasonal Climate Normals, 1991 to 2020 (freeze probability dates by station), NOAA National Centers for Environmental Information, checked 1 November 2026
  2. Annual/Seasonal Normals 1991 to 2020 documentation, NOAA National Centers for Environmental Information, checked 1 November 2026
  3. 2024 Gazetteer Files, ZIP Code Tabulation Areas, US Census Bureau, checked 1 November 2026