Frost dates for Madison

◇ Station-based · 89/100 confidence

Last spring frost · safe

May 23

~10% frost risk · typical May 5

First fall frost · safe

Sep 22

~10% frost risk · typical Oct 6

Frost-free days

151

May 5 → Oct 6

Climate zone

Continental, warm summer

Köppen Dfb

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 — 151 DAYS

MAY 5

OCT 6