Frost dates in Leominster, MA
The average last spring frost in Leominster is around April 27 and the first fall frost is around October 16. That gives Leominster an average growing season of about 172 days.
Last spring frost
| Early (10% chance after) | April 19 |
|---|---|
| Average (50%) | April 27 |
| Late (90%) | May 15 |
First fall frost
| Early (10%) | October 4 |
|---|---|
| Average (50%) | October 16 |
| Late (90% chance before) | October 29 |