Frost dates in Rock Springs, WI
The average last spring frost in Rock Springs is around April 26 and the first fall frost is around October 5. That gives Rock Springs an average growing season of about 162 days.
Last spring frost
| Early (10% chance after) | April 9 |
|---|---|
| Average (50%) | April 26 |
| Late (90%) | May 7 |
First fall frost
| Early (10%) | September 23 |
|---|---|
| Average (50%) | October 5 |
| Late (90% chance before) | October 16 |