Frost dates in New London, IA

The average last spring frost in New London is around April 24 and the first fall frost is around October 12. That gives New London an average growing season of about 171 days.

Last spring frost

Early (10% chance after)April 7
Average (50%)April 24
Late (90%)May 7

First fall frost

Early (10%)September 27
Average (50%)October 12
Late (90% chance before)October 28

See the New London planting calendar →