Frost dates in Weyerhaeuser, WI
The average last spring frost in Weyerhaeuser is around May 23 and the first fall frost is around September 21. That gives Weyerhaeuser an average growing season of about 121 days.
Last spring frost
| Early (10% chance after) | May 9 |
|---|---|
| Average (50%) | May 23 |
| Late (90%) | June 10 |
First fall frost
| Early (10%) | September 3 |
|---|---|
| Average (50%) | September 21 |
| Late (90% chance before) | October 1 |