Frost dates for Modesto
◇ Station-based · 87/100 confidence
Last spring frost · safe
Feb 24
~10% frost risk · typical Jan 27
First fall frost · safe
Nov 21
~10% frost risk · typical Dec 3
Frost-free days
310
Jan 27 → Dec 3
Climate zone
Cold semi-arid
Köppen BSk
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 — 310 DAYS
JAN 27
DEC 3