Frost dates in Zap, ND
The average last spring frost in Zap is around June 4 and the first fall frost is around September 8. That gives Zap an average growing season of about 96 days.
Last spring frost
| Early (10% chance after) | May 20 |
|---|---|
| Average (50%) | June 4 |
| Late (90%) | June 18 |
First fall frost
| Early (10%) | August 18 |
|---|---|
| Average (50%) | September 8 |
| Late (90% chance before) | September 21 |