Frost dates in Rio Bravo, TX
The average last spring frost in Rio Bravo is around January 30 and the first fall frost is around December 14. That gives Rio Bravo an average growing season of about 319 days.
Last spring frost
| Early (10% chance after) | January 10 |
|---|---|
| Average (50%) | January 30 |
| Late (90%) | February 25 |
First fall frost
| Early (10%) | November 19 |
|---|---|
| Average (50%) | December 14 |
| Late (90% chance before) | December 23 |