Frost dates in Clearlake, CA
The average last spring frost in Clearlake is around April 15 and the first fall frost is around November 1. That gives Clearlake an average growing season of about 200 days.
Last spring frost
| Early (10% chance after) | March 12 |
|---|---|
| Average (50%) | April 15 |
| Late (90%) | May 7 |
First fall frost
| Early (10%) | October 15 |
|---|---|
| Average (50%) | November 1 |
| Late (90% chance before) | November 20 |