Frost dates in Grand Terrace, CA
The average last spring frost in Grand Terrace is around February 4 and the first fall frost is around December 13. That gives Grand Terrace an average growing season of about 313 days.
Last spring frost
| Early (10% chance after) | January 8 |
|---|---|
| Average (50%) | February 4 |
| Late (90%) | March 10 |
First fall frost
| Early (10%) | November 16 |
|---|---|
| Average (50%) | December 13 |
| Late (90% chance before) | December 27 |