Frost dates in Boerne, TX
The average last spring frost in Boerne is around March 22 and the first fall frost is around November 12. That gives Boerne an average growing season of about 235 days.
Last spring frost
| Early (10% chance after) | February 23 |
|---|---|
| Average (50%) | March 22 |
| Late (90%) | April 11 |
First fall frost
| Early (10%) | October 25 |
|---|---|
| Average (50%) | November 12 |
| Late (90% chance before) | December 1 |