Frost dates for Durham

◇ Station-based · 83/100 confidence

Last spring frost · safe

Apr 11

~10% frost risk · typical Apr 2

First fall frost · safe

Oct 26

~10% frost risk · typical Nov 1

Frost-free days

218

Apr 2 → Nov 1

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 — 218 DAYS

APR 2

NOV 1