Frost dates in Silver Plume, CO
The average last spring frost in Silver Plume is around May 30 and the first fall frost is around September 19. That gives Silver Plume an average growing season of about 112 days.
Last spring frost
| Early (10% chance after) | April 29 |
|---|---|
| Average (50%) | May 30 |
| Late (90%) | June 17 |
First fall frost
| Early (10%) | September 4 |
|---|---|
| Average (50%) | September 19 |
| Late (90% chance before) | October 17 |