Frost dates in West Haven, CT
The average last spring frost in West Haven is around April 13 and the first fall frost is around October 27. That gives West Haven an average growing season of about 197 days.
Last spring frost
| Early (10% chance after) | April 3 |
|---|---|
| Average (50%) | April 13 |
| Late (90%) | April 26 |
First fall frost
| Early (10%) | October 10 |
|---|---|
| Average (50%) | October 27 |
| Late (90% chance before) | November 11 |