Frost dates in Alden, MN

The average last spring frost in Alden is around April 28 and the first fall frost is around October 9. That gives Alden an average growing season of about 164 days.

Last spring frost

Early (10% chance after)April 9
Average (50%)April 28
Late (90%)May 15

First fall frost

Early (10%)September 21
Average (50%)October 9
Late (90% chance before)November 5

See the Alden planting calendar →