Frost dates for Columbia

◇ Station-based · 88/100 confidence

Last spring frost · safe

Mar 31

~10% frost risk · typical Mar 11

First fall frost · safe

Nov 4

~10% frost risk · typical Nov 17

Frost-free days

248

Mar 11 → Nov 17

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 — 248 DAYS

MAR 11

NOV 17