Frost dates in Castle Hills, TX
The average last spring frost in Castle Hills is around March 3 and the first fall frost is around November 29. That gives Castle Hills an average growing season of about 271 days.
Last spring frost
| Early (10% chance after) | February 5 |
|---|---|
| Average (50%) | March 3 |
| Late (90%) | March 21 |
First fall frost
| Early (10%) | November 6 |
|---|---|
| Average (50%) | November 29 |
| Late (90% chance before) | December 13 |