Frost dates in Valley City, ND
The average last spring frost in Valley City is around May 17 and the first fall frost is around September 21. That gives Valley City an average growing season of about 127 days.
Last spring frost
| Early (10% chance after) | May 2 |
|---|---|
| Average (50%) | May 17 |
| Late (90%) | June 2 |
First fall frost
| Early (10%) | September 6 |
|---|---|
| Average (50%) | September 21 |
| Late (90% chance before) | October 5 |