Frost dates in Cologne, MN

The average last spring frost in Cologne is around April 30 and the first fall frost is around October 6. That gives Cologne an average growing season of about 159 days.

Last spring frost

Early (10% chance after)April 17
Average (50%)April 30
Late (90%)May 16

First fall frost

Early (10%)September 15
Average (50%)October 6
Late (90% chance before)October 13

See the Cologne planting calendar →