Frost dates in LaCrosse, WA
The average last spring frost in LaCrosse is around May 23 and the first fall frost is around September 19. That gives LaCrosse an average growing season of about 119 days.
Last spring frost
| Early (10% chance after) | May 5 |
|---|---|
| Average (50%) | May 23 |
| Late (90%) | June 29 |
First fall frost
| Early (10%) | September 1 |
|---|---|
| Average (50%) | September 19 |
| Late (90% chance before) | October 10 |