Last frost date in Blaine, Minnesota

May 5

Average last frost in spring. In an early year (1 in 10) it's over by April 23; in a late year (1 in 10) it comes after May 21.

October 2

Average first frost in fall. 1 year in 10 it comes by September 18.

Source: NOAA U.S. Climate Normals 1991–2020, station Andover 1N (USC00210190), 7.1 miles from Blaine, elevation 899 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

This station is also the nearest one for Andover, Anoka, Champlin, Coon Rapids and Ham Lake, so their frost dates are the same as Blaine's.

What to plant now

Frost dates for Blaine, Minnesota
Early yearAverageLate year
Last frost in springApr 23May 5May 21
First frost in fallSept 18Oct 2Oct 16

Frost-free days in an average year: 148

Light frost, frost and hard freeze in Blaine
Chance in a yearAverage last in springAverage first in fall
Light frost (36°F)Every yearMay 16Sept 24
Frost (32°F)Every yearMay 5Oct 2
Hard freeze (28°F)Every yearApr 25Oct 13

Nights at 32°F or colder in an average year: 172

What to plant now in Blaine

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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