Frost dates in Dinosaur, CO
The average last spring frost in Dinosaur is around May 18 and the first fall frost is around September 29. That gives Dinosaur an average growing season of about 134 days.
Last spring frost
| Early (10% chance after) | May 1 |
|---|---|
| Average (50%) | May 18 |
| Late (90%) | June 19 |
First fall frost
| Early (10%) | September 14 |
|---|---|
| Average (50%) | September 29 |
| Late (90% chance before) | October 17 |