Frost dates in Ely, MN
The average last spring frost in Ely is around May 15 and the first fall frost is around October 2. That gives Ely an average growing season of about 140 days.
Last spring frost
| Early (10% chance after) | April 24 |
|---|---|
| Average (50%) | May 15 |
| Late (90%) | May 31 |
First fall frost
| Early (10%) | September 15 |
|---|---|
| Average (50%) | October 2 |
| Late (90% chance before) | October 15 |