Frost dates in Bath, ME

The average last spring frost in Bath is around May 8 and the first fall frost is around October 9. That gives Bath an average growing season of about 154 days.

Last spring frost

Early (10% chance after)April 22
Average (50%)May 8
Late (90%)May 17

First fall frost

Early (10%)September 27
Average (50%)October 9
Late (90% chance before)October 22

See the Bath planting calendar →