Frost dates in Suisun City, CA
The average last spring frost in Suisun City is around February 13 and the first fall frost is around December 1. That gives Suisun City an average growing season of about 292 days.
Last spring frost
| Early (10% chance after) | January 15 |
|---|---|
| Average (50%) | February 13 |
| Late (90%) | March 25 |
First fall frost
| Early (10%) | November 12 |
|---|---|
| Average (50%) | December 1 |
| Late (90% chance before) | December 20 |