Frost dates in Warm River, ID
The average last spring frost in Warm River is around June 11 and the first fall frost is around September 9. That gives Warm River an average growing season of about 90 days.
Last spring frost
| Early (10% chance after) | May 12 |
|---|---|
| Average (50%) | June 11 |
| Late (90%) | July 8 |
First fall frost
| Early (10%) | August 19 |
|---|---|
| Average (50%) | September 9 |
| Late (90% chance before) | October 1 |