Frost dates for San Antonio

◇ Station-based · 83/100 confidence

Last spring frost · safe

Mar 6

~10% frost risk · typical Feb 21

First fall frost · safe

Nov 17

~10% frost risk · typical Nov 29

Frost-free days

282

Feb 21 → Nov 29

Climate zone

Humid subtropical

Köppen Cfa

The growing year

Frost-bounded season with crops mapped onto the 12-month axis.

Frost risk Growing Harvest

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

FROST

GROWING SEASON — 282 DAYS

FEB 21

NOV 29