Frost dates in Norway, MI
The average last spring frost in Norway is around May 25 and the first fall frost is around September 23. That gives Norway an average growing season of about 121 days.
Last spring frost
| Early (10% chance after) | May 12 |
|---|---|
| Average (50%) | May 25 |
| Late (90%) | June 11 |
First fall frost
| Early (10%) | September 8 |
|---|---|
| Average (50%) | September 23 |
| Late (90% chance before) | October 7 |