Frost dates in Lewiston, ME
The average last spring frost in Lewiston is around April 29 and the first fall frost is around October 13. That gives Lewiston an average growing season of about 167 days.
Last spring frost
| Early (10% chance after) | April 17 |
|---|---|
| Average (50%) | April 29 |
| Late (90%) | May 10 |
First fall frost
| Early (10%) | October 1 |
|---|---|
| Average (50%) | October 13 |
| Late (90% chance before) | October 25 |