Last frost date in Mendota Heights, Minnesota

April 25

Average last frost in spring. In an early year (1 in 10) it's over by April 9; in a late year (1 in 10) it comes after May 9.

October 12

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

Source: NOAA U.S. Climate Normals 1991–2020, station St Paul 3SW (USC00217379), 3.7 miles from Mendota Heights, elevation 925 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

What to plant now

Frost dates for Mendota Heights, Minnesota
Early yearAverageLate year
Last frost in springApr 9Apr 25May 9
First frost in fallOct 1Oct 12Oct 25

Frost-free days in an average year: 169

Light frost, frost and hard freeze in Mendota Heights
Chance in a yearAverage last in springAverage first in fall
Light frost (36°F)Every yearMay 6Oct 3
Frost (32°F)Every yearApr 25Oct 12
Hard freeze (28°F)Every yearApr 12Oct 23

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

What to plant now in Mendota Heights

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 Minnesota

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