Frost dates in Ansonia, CT
The average last spring frost in Ansonia is around April 24 and the first fall frost is around October 15. That gives Ansonia an average growing season of about 174 days.
Last spring frost
| Early (10% chance after) | April 18 |
|---|---|
| Average (50%) | April 24 |
| Late (90%) | May 2 |
First fall frost
| Early (10%) | August 28 |
|---|---|
| Average (50%) | October 15 |
| Late (90% chance before) | October 29 |