Frost dates in St. Robert, MO
The average last spring frost in St. Robert is around April 24 and the first fall frost is around October 10. That gives St. Robert an average growing season of about 169 days.
Last spring frost
| Early (10% chance after) | April 6 |
|---|---|
| Average (50%) | April 24 |
| Late (90%) | May 12 |
First fall frost
| Early (10%) | September 29 |
|---|---|
| Average (50%) | October 10 |
| Late (90% chance before) | November 1 |