Frost dates in Worthington, MN
The average last spring frost in Worthington is around May 4 and the first fall frost is around October 2. That gives Worthington an average growing season of about 151 days.
Last spring frost
| Early (10% chance after) | April 19 |
|---|---|
| Average (50%) | May 4 |
| Late (90%) | May 16 |
First fall frost
| Early (10%) | September 20 |
|---|---|
| Average (50%) | October 2 |
| Late (90% chance before) | October 17 |