Frost dates in Smelterville, ID
The average last spring frost in Smelterville is around May 13 and the first fall frost is around September 23. That gives Smelterville an average growing season of about 133 days.
Last spring frost
| Early (10% chance after) | April 28 |
|---|---|
| Average (50%) | May 13 |
| Late (90%) | June 1 |
First fall frost
| Early (10%) | September 6 |
|---|---|
| Average (50%) | September 23 |
| Late (90% chance before) | October 14 |