Frost dates for Montreal

◇ Station-based · 85/100 confidence

Last spring frost · safe

Apr 30

~10% frost risk · typical Apr 19

First fall frost · safe

Oct 18

~10% frost risk · typical Oct 28

Frost-free days

192

Apr 19 → Oct 28

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 — 192 DAYS

APR 19

OCT 28