Average First and
Last Frost Dates
for
Connecticut
City
Spring
Fall
Danbury
5/15
9/22
Falls Village
6/3
9/12
Hartford
5/12
9/23
Mt. Carmel
5/14
9/24
Norwalk (Gas Plant)
5/8
10/2
Storrs
5/14
9/24
West Thompson
6/4
9/13
Source: "Climatography of the U.S. No. 20,
Supplement No. 1", 1988, National Climatic Data Center,
National Oceanic and Atmospheric Administration, U.S. Department of
Commerce.