Frost dates in Fort Ripley, MN
The average last spring frost in Fort Ripley is around May 12 and the first fall frost is around September 25. That gives Fort Ripley an average growing season of about 136 days.
Last spring frost
| Early (10% chance after) | April 26 |
|---|---|
| Average (50%) | May 12 |
| Late (90%) | May 25 |
First fall frost
| Early (10%) | September 16 |
|---|---|
| Average (50%) | September 25 |
| Late (90% chance before) | October 11 |