Frost dates in Friendship, WI
The average last spring frost in Friendship is around May 13 and the first fall frost is around October 3. That gives Friendship an average growing season of about 143 days.
Last spring frost
| Early (10% chance after) | March 31 |
|---|---|
| Average (50%) | May 13 |
| Late (90%) | May 25 |
First fall frost
| Early (10%) | September 18 |
|---|---|
| Average (50%) | October 3 |
| Late (90% chance before) | November 1 |