Frost dates in West Haven, CT

The average last spring frost in West Haven is around April 13 and the first fall frost is around October 27. That gives West Haven an average growing season of about 197 days.

Last spring frost

Early (10% chance after)April 3
Average (50%)April 13
Late (90%)April 26

First fall frost

Early (10%)October 10
Average (50%)October 27
Late (90% chance before)November 11

See the West Haven planting calendar →