Frost dates in Fairfax, VA
The average last spring frost in Fairfax is around April 10 and the first fall frost is around November 4. That gives Fairfax an average growing season of about 208 days.
Last spring frost
| Early (10% chance after) | March 31 |
|---|---|
| Average (50%) | April 10 |
| Late (90%) | April 21 |
First fall frost
| Early (10%) | October 19 |
|---|---|
| Average (50%) | November 4 |
| Late (90% chance before) | November 18 |