Frost dates in Siloam Springs, AR
The average last spring frost in Siloam Springs is around April 6 and the first fall frost is around October 28. That gives Siloam Springs an average growing season of about 205 days.
Last spring frost
| Early (10% chance after) | March 21 |
|---|---|
| Average (50%) | April 6 |
| Late (90%) | April 20 |
First fall frost
| Early (10%) | October 16 |
|---|---|
| Average (50%) | October 28 |
| Late (90% chance before) | November 11 |