Frost dates in Overly, ND
The average last spring frost in Overly is around May 26 and the first fall frost is around September 12. That gives Overly an average growing season of about 109 days.
Last spring frost
| Early (10% chance after) | May 9 |
|---|---|
| Average (50%) | May 26 |
| Late (90%) | June 14 |
First fall frost
| Early (10%) | August 22 |
|---|---|
| Average (50%) | September 12 |
| Late (90% chance before) | September 28 |