Frost dates in Antonito, CO

The average last spring frost in Antonito is around June 7 and the first fall frost is around September 14. That gives Antonito an average growing season of about 99 days.

Last spring frost

Early (10% chance after)May 18
Average (50%)June 7
Late (90%)June 21

First fall frost

Early (10%)August 28
Average (50%)September 14
Late (90% chance before)September 30

See the Antonito planting calendar →