Frost dates in Dubois, ID
The average last spring frost in Dubois is around May 29 and the first fall frost is around September 20. That gives Dubois an average growing season of about 114 days.
Last spring frost
| Early (10% chance after) | May 10 |
|---|---|
| Average (50%) | May 29 |
| Late (90%) | June 20 |
First fall frost
| Early (10%) | September 8 |
|---|---|
| Average (50%) | September 20 |
| Late (90% chance before) | October 10 |