Frost dates in Formoso, KS
The average last spring frost in Formoso is around April 16 and the first fall frost is around October 25. That gives Formoso an average growing season of about 192 days.
Last spring frost
| Early (10% chance after) | April 3 |
|---|---|
| Average (50%) | April 16 |
| Late (90%) | May 3 |
First fall frost
| Early (10%) | October 9 |
|---|---|
| Average (50%) | October 25 |
| Late (90% chance before) | November 4 |