Frost dates in Sheridan, CO

The average last spring frost in Sheridan is around May 8 and the first fall frost is around October 13. That gives Sheridan an average growing season of about 158 days.

Last spring frost

Early (10% chance after)April 20
Average (50%)May 8
Late (90%)May 22

First fall frost

Early (10%)September 26
Average (50%)October 13
Late (90% chance before)October 27

See the Sheridan planting calendar →