Frost dates in Granville, ND
The average last spring frost in Granville is around May 19 and the first fall frost is around September 16. That gives Granville an average growing season of about 120 days.
Last spring frost
| Early (10% chance after) | May 6 |
|---|---|
| Average (50%) | May 19 |
| Late (90%) | June 5 |
First fall frost
| Early (10%) | August 31 |
|---|---|
| Average (50%) | September 16 |
| Late (90% chance before) | October 1 |