Frost dates in Blaine, MN
The average last spring frost in Blaine is around May 10 and the first fall frost is around October 3. That gives Blaine an average growing season of about 146 days.
Last spring frost
| Early (10% chance after) | April 27 |
|---|---|
| Average (50%) | May 10 |
| Late (90%) | May 22 |
First fall frost
| Early (10%) | September 13 |
|---|---|
| Average (50%) | October 3 |
| Late (90% chance before) | October 13 |