Frost dates in Estes Park, CO

The average last spring frost in Estes Park is around May 25 and the first fall frost is around September 17. That gives Estes Park an average growing season of about 115 days.

Last spring frost

Early (10% chance after)May 16
Average (50%)May 25
Late (90%)June 8

First fall frost

Early (10%)September 7
Average (50%)September 17
Late (90% chance before)October 4

See the Estes Park planting calendar →