Last frost date in Augusta, Maine

April 27

Average last frost in spring. In an early year (1 in 10) it's over by April 15; in a late year (1 in 10) it comes after May 7.

October 16

Average first frost in fall. 1 year in 10 it comes by October 2.

Source: NOAA U.S. Climate Normals 1991–2020, station Augusta State AP (USW00014605), 3.3 miles from Augusta, elevation 350 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

What to plant now

Frost dates for Augusta, Maine
Early yearAverageLate year
Last frost in springApr 15Apr 27May 7
First frost in fallOct 2Oct 16Oct 31

Frost-free days in an average year: 172

Light frost, frost and hard freeze in Augusta
Chance in a yearAverage last in springAverage first in fall
Light frost (36°F)Every yearMay 8Oct 4
Frost (32°F)Every yearApr 27Oct 16
Hard freeze (28°F)Every yearApr 15Oct 31

Nights at 32°F or colder in an average year: 147

What to plant now in Augusta

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.

Nearby in Maine

All 11 places in Maine

Updated