Frost dates for Saint Paul

◇ Station-based · 84/100 confidence

Last spring frost · safe

May 4

~10% frost risk · typical Apr 22

First fall frost · safe

Oct 2

~10% frost risk · typical Oct 12

Frost-free days

174

Apr 22 → Oct 12

Climate zone

Continental, hot summer

Köppen Dfa

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 — 174 DAYS

APR 22

OCT 12