Frost dates in St. Hilaire, MN

The average last spring frost in St. Hilaire is around May 18 and the first fall frost is around September 27. That gives St. Hilaire an average growing season of about 132 days.

Last spring frost

Early (10% chance after)April 28
Average (50%)May 18
Late (90%)May 28

First fall frost

Early (10%)September 12
Average (50%)September 27
Late (90% chance before)October 30

See the St. Hilaire planting calendar →