Frost dates in Haven, KS
The average last spring frost in Haven is around April 6 and the first fall frost is around October 27. That gives Haven an average growing season of about 204 days.
Last spring frost
| Early (10% chance after) | February 27 |
|---|---|
| Average (50%) | April 6 |
| Late (90%) | April 30 |
First fall frost
| Early (10%) | October 19 |
|---|---|
| Average (50%) | October 27 |
| Late (90% chance before) | November 10 |