Frost dates in Belgium, WI

The average last spring frost in Belgium is around April 30 and the first fall frost is around October 17. That gives Belgium an average growing season of about 170 days.

Last spring frost

Early (10% chance after)April 21
Average (50%)April 30
Late (90%)May 15

First fall frost

Early (10%)October 1
Average (50%)October 17
Late (90% chance before)October 24

See the Belgium planting calendar →