Frost dates in Virginia City, MT
The average last spring frost in Virginia City is around June 13 and the first fall frost is around September 11. That gives Virginia City an average growing season of about 90 days.
Last spring frost
| Early (10% chance after) | May 22 |
|---|---|
| Average (50%) | June 13 |
| Late (90%) | June 29 |
First fall frost
| Early (10%) | August 29 |
|---|---|
| Average (50%) | September 11 |
| Late (90% chance before) | September 30 |