Frost dates in Colton, WA
The average last spring frost in Colton is around May 7 and the first fall frost is around September 28. That gives Colton an average growing season of about 144 days.
Last spring frost
| Early (10% chance after) | April 19 |
|---|---|
| Average (50%) | May 7 |
| Late (90%) | May 23 |
First fall frost
| Early (10%) | September 13 |
|---|---|
| Average (50%) | September 28 |
| Late (90% chance before) | October 23 |