Frost dates in Decatur, TN
The average last spring frost in Decatur is around April 14 and the first fall frost is around October 21. That gives Decatur an average growing season of about 190 days.
Last spring frost
| Early (10% chance after) | April 6 |
|---|---|
| Average (50%) | April 14 |
| Late (90%) | April 29 |
First fall frost
| Early (10%) | October 8 |
|---|---|
| Average (50%) | October 21 |
| Late (90% chance before) | November 3 |