Frost dates in North Branch, MN
The average last spring frost in North Branch is around May 18 and the first fall frost is around September 25. That gives North Branch an average growing season of about 130 days.
Last spring frost
| Early (10% chance after) | May 2 |
|---|---|
| Average (50%) | May 18 |
| Late (90%) | June 3 |
First fall frost
| Early (10%) | September 13 |
|---|---|
| Average (50%) | September 25 |
| Late (90% chance before) | October 10 |