Frost dates for New Haven

◇ Station-based · 83/100 confidence

Last spring frost · safe

May 11

~10% frost risk · typical Apr 19

First fall frost · safe

Oct 5

~10% frost risk · typical Oct 19

Frost-free days

184

Apr 19 → Oct 19

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 — 184 DAYS

APR 19

OCT 19