Frost dates in Imperial, CA
The average last spring frost in Imperial is around February 2 and the first fall frost is around December 16. That gives Imperial an average growing season of about 318 days.
Last spring frost
| Early (10% chance after) | January 5 |
|---|---|
| Average (50%) | February 2 |
| Late (90%) | March 3 |
First fall frost
| Early (10%) | November 24 |
|---|---|
| Average (50%) | December 16 |
| Late (90% chance before) | December 28 |