Frost dates in Stewart, MN

The average last spring frost in Stewart is around April 29 and the first fall frost is around October 7. That gives Stewart an average growing season of about 161 days.

Last spring frost

Early (10% chance after)April 16
Average (50%)April 29
Late (90%)May 15

First fall frost

Early (10%)September 25
Average (50%)October 7
Late (90% chance before)October 17

See the Stewart planting calendar →