Frost dates in Seibert, CO

The average last spring frost in Seibert is around May 8 and the first fall frost is around October 10. That gives Seibert an average growing season of about 155 days.

Last spring frost

Early (10% chance after)March 1
Average (50%)May 8
Late (90%)May 14

First fall frost

Early (10%)September 13
Average (50%)October 10
Late (90% chance before)October 23

See the Seibert planting calendar →