Frost dates in Eagle River, WI
The average last spring frost in Eagle River is around May 24 and the first fall frost is around September 23. That gives Eagle River an average growing season of about 122 days.
Last spring frost
| Early (10% chance after) | May 9 |
|---|---|
| Average (50%) | May 24 |
| Late (90%) | June 6 |
First fall frost
| Early (10%) | September 9 |
|---|---|
| Average (50%) | September 23 |
| Late (90% chance before) | October 19 |