Frost dates in Benton City, WA
The average last spring frost in Benton City is around April 8 and the first fall frost is around October 21. That gives Benton City an average growing season of about 196 days.
Last spring frost
| Early (10% chance after) | March 25 |
|---|---|
| Average (50%) | April 8 |
| Late (90%) | April 27 |
First fall frost
| Early (10%) | October 6 |
|---|---|
| Average (50%) | October 21 |
| Late (90% chance before) | November 3 |