Frost dates in Belmont, CA
The average last spring frost in Belmont is around February 9 and the first fall frost is around December 6. That gives Belmont an average growing season of about 301 days.
Last spring frost
| Early (10% chance after) | January 10 |
|---|---|
| Average (50%) | February 9 |
| Late (90%) | March 10 |
First fall frost
| Early (10%) | November 14 |
|---|---|
| Average (50%) | December 6 |
| Late (90% chance before) | December 23 |