Frost dates in Calvert, TX
The average last spring frost in Calvert is around March 11 and the first fall frost is around November 21. That gives Calvert an average growing season of about 255 days.
Last spring frost
| Early (10% chance after) | February 13 |
|---|---|
| Average (50%) | March 11 |
| Late (90%) | April 3 |
First fall frost
| Early (10%) | November 2 |
|---|---|
| Average (50%) | November 21 |
| Late (90% chance before) | December 6 |