Frost dates in Douglas, ND
The average last spring frost in Douglas is around May 16 and the first fall frost is around September 21. That gives Douglas an average growing season of about 128 days.
Last spring frost
| Early (10% chance after) | May 3 |
|---|---|
| Average (50%) | May 16 |
| Late (90%) | June 1 |
First fall frost
| Early (10%) | September 10 |
|---|---|
| Average (50%) | September 21 |
| Late (90% chance before) | October 7 |