Frost dates in Derby, KS
The average last spring frost in Derby is around April 14 and the first fall frost is around October 24. That gives Derby an average growing season of about 193 days.
Last spring frost
| Early (10% chance after) | April 2 |
|---|---|
| Average (50%) | April 14 |
| Late (90%) | April 26 |
First fall frost
| Early (10%) | October 10 |
|---|---|
| Average (50%) | October 24 |
| Late (90% chance before) | November 6 |