Frost dates in South Fork, CO

The average last spring frost in South Fork is around June 11 and the first fall frost is around September 14. That gives South Fork an average growing season of about 95 days.

Last spring frost

Early (10% chance after)May 31
Average (50%)June 11
Late (90%)June 26

First fall frost

Early (10%)August 27
Average (50%)September 14
Late (90% chance before)September 26

See the South Fork planting calendar →