Frost dates in Barstow, CA
The average last spring frost in Barstow is around March 2 and the first fall frost is around November 20. That gives Barstow an average growing season of about 263 days.
Last spring frost
| Early (10% chance after) | February 9 |
|---|---|
| Average (50%) | March 2 |
| Late (90%) | April 10 |
First fall frost
| Early (10%) | November 6 |
|---|---|
| Average (50%) | November 20 |
| Late (90% chance before) | December 4 |