Frost dates in Palmyra, MO
The average last spring frost in Palmyra is around April 8 and the first fall frost is around October 15. That gives Palmyra an average growing season of about 190 days.
Last spring frost
| Early (10% chance after) | February 28 |
|---|---|
| Average (50%) | April 8 |
| Late (90%) | April 18 |
First fall frost
| Early (10%) | October 6 |
|---|---|
| Average (50%) | October 15 |
| Late (90% chance before) | November 1 |