Frost dates in Butte City, ID
The average last spring frost in Butte City is around June 7 and the first fall frost is around September 10. That gives Butte City an average growing season of about 95 days.
Last spring frost
| Early (10% chance after) | May 10 |
|---|---|
| Average (50%) | June 7 |
| Late (90%) | June 30 |
First fall frost
| Early (10%) | August 25 |
|---|---|
| Average (50%) | September 10 |
| Late (90% chance before) | October 6 |