Frost dates in De Kalb, MO
The average last spring frost in De Kalb is around April 13 and the first fall frost is around October 21. That gives De Kalb an average growing season of about 191 days.
Last spring frost
| Early (10% chance after) | March 31 |
|---|---|
| Average (50%) | April 13 |
| Late (90%) | April 30 |
First fall frost
| Early (10%) | October 6 |
|---|---|
| Average (50%) | October 21 |
| Late (90% chance before) | November 6 |