Frost dates for Houston
◇ Station-based · 84/100 confidence
Last spring frost · safe
Mar 5
~10% frost risk · typical Jan 26
First fall frost · safe
Nov 25
~10% frost risk · typical Dec 9
Frost-free days
317
Jan 26 → Dec 9
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
GROWING SEASON — 317 DAYS
JAN 26
DEC 9