Frost dates in Ephraim, WI

The average last spring frost in Ephraim is around May 13 and the first fall frost is around October 19. That gives Ephraim an average growing season of about 159 days.

Last spring frost

Early (10% chance after)April 29
Average (50%)May 13
Late (90%)May 25

First fall frost

Early (10%)October 4
Average (50%)October 19
Late (90% chance before)November 3

See the Ephraim planting calendar →