Frost dates in Princeton, MO
The average last spring frost in Princeton is around April 22 and the first fall frost is around October 11. That gives Princeton an average growing season of about 172 days.
Last spring frost
| Early (10% chance after) | April 7 |
|---|---|
| Average (50%) | April 22 |
| Late (90%) | May 9 |
First fall frost
| Early (10%) | September 25 |
|---|---|
| Average (50%) | October 11 |
| Late (90% chance before) | October 29 |