Frost dates in Silt, CO

The average last spring frost in Silt is around May 12 and the first fall frost is around October 7. That gives Silt an average growing season of about 148 days.

Last spring frost

Early (10% chance after)April 26
Average (50%)May 12
Late (90%)May 30

First fall frost

Early (10%)September 24
Average (50%)October 7
Late (90% chance before)October 18

See the Silt planting calendar →