Frost dates in Oskaloosa, KS
The average last spring frost in Oskaloosa is around April 15 and the first fall frost is around October 18. That gives Oskaloosa an average growing season of about 186 days.
Last spring frost
| Early (10% chance after) | March 27 |
|---|---|
| Average (50%) | April 15 |
| Late (90%) | May 2 |
First fall frost
| Early (10%) | October 4 |
|---|---|
| Average (50%) | October 18 |
| Late (90% chance before) | October 29 |