Frost dates in Bristol, CT
The average last spring frost in Bristol is around May 6 and the first fall frost is around October 13. That gives Bristol an average growing season of about 160 days.
Last spring frost
| Early (10% chance after) | April 27 |
|---|---|
| Average (50%) | May 6 |
| Late (90%) | May 13 |
First fall frost
| Early (10%) | October 9 |
|---|---|
| Average (50%) | October 13 |
| Late (90% chance before) | October 17 |