Frost dates in Plains, KS
The average last spring frost in Plains is around April 17 and the first fall frost is around October 19. That gives Plains an average growing season of about 185 days.
Last spring frost
| Early (10% chance after) | April 2 |
|---|---|
| Average (50%) | April 17 |
| Late (90%) | May 3 |
First fall frost
| Early (10%) | October 1 |
|---|---|
| Average (50%) | October 19 |
| Late (90% chance before) | November 1 |