Frost dates in Barrett, MN
The average last spring frost in Barrett is around May 10 and the first fall frost is around September 28. That gives Barrett an average growing season of about 141 days.
Last spring frost
| Early (10% chance after) | April 23 |
|---|---|
| Average (50%) | May 10 |
| Late (90%) | May 24 |
First fall frost
| Early (10%) | September 15 |
|---|---|
| Average (50%) | September 28 |
| Late (90% chance before) | October 11 |