Frost dates in Martinsville, IL
The average last spring frost in Martinsville is around April 19 and the first fall frost is around October 15. That gives Martinsville an average growing season of about 179 days.
Last spring frost
| Early (10% chance after) | March 30 |
|---|---|
| Average (50%) | April 19 |
| Late (90%) | May 9 |
First fall frost
| Early (10%) | October 1 |
|---|---|
| Average (50%) | October 15 |
| Late (90% chance before) | November 3 |