Frost dates in Middletown, CT
The average last spring frost in Middletown is around April 25 and the first fall frost is around October 17. That gives Middletown an average growing season of about 175 days.
Last spring frost
| Early (10% chance after) | April 11 |
|---|---|
| Average (50%) | April 25 |
| Late (90%) | May 15 |
First fall frost
| Early (10%) | October 8 |
|---|---|
| Average (50%) | October 17 |
| Late (90% chance before) | October 30 |