Frost dates in Bloomington, WI
The average last spring frost in Bloomington is around May 2 and the first fall frost is around October 7. That gives Bloomington an average growing season of about 158 days.
Last spring frost
| Early (10% chance after) | April 15 |
|---|---|
| Average (50%) | May 2 |
| Late (90%) | May 17 |
First fall frost
| Early (10%) | September 24 |
|---|---|
| Average (50%) | October 7 |
| Late (90% chance before) | October 22 |