Frost dates in Crystal, MN

The average last spring frost in Crystal is around April 27 and the first fall frost is around October 7. That gives Crystal an average growing season of about 163 days.

Last spring frost

Early (10% chance after)April 19
Average (50%)April 27
Late (90%)May 16

First fall frost

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

See the Crystal planting calendar →