Frost dates in Alamo Heights, TX
The average last spring frost in Alamo Heights is around February 21 and the first fall frost is around November 28. That gives Alamo Heights an average growing season of about 281 days.
Last spring frost
| Early (10% chance after) | February 1 |
|---|---|
| Average (50%) | February 21 |
| Late (90%) | March 9 |
First fall frost
| Early (10%) | November 1 |
|---|---|
| Average (50%) | November 28 |
| Late (90% chance before) | December 11 |