Frost dates in Gypsum, CO

The average last spring frost in Gypsum is around April 25 and the first fall frost is around October 23. That gives Gypsum an average growing season of about 181 days.

Last spring frost

Early (10% chance after)April 1
Average (50%)April 25
Late (90%)May 19

First fall frost

Early (10%)September 22
Average (50%)October 23
Late (90% chance before)November 1

See the Gypsum planting calendar →