Frost dates in Norborne, MO
The average last spring frost in Norborne is around April 8 and the first fall frost is around October 31. That gives Norborne an average growing season of about 206 days.
Last spring frost
| Early (10% chance after) | March 22 |
|---|---|
| Average (50%) | April 8 |
| Late (90%) | April 22 |
First fall frost
| Early (10%) | October 21 |
|---|---|
| Average (50%) | October 31 |
| Late (90% chance before) | November 20 |