Sign In Register

Best Climate Cities in Connecticut

Warm temperatures, plenty of sunshine and clean air.

Best Climate Cleanest Air Sunniest Most Urban All Rankings →
All United States  ·  Connecticut

How We Score

Each metric is normalized 0-100 across U.S. cities, then weighted and summed. Cities missing any metric are excluded.

Temperature · 35% Sunshine · 30% Clean Air · 25% Low Rain · 10%

Top 12 Best Climate Cities in Connecticut

Ranked by composite score across 4 weighted metrics.

#1
Score 81.3
New London, CT
27,199 residents
Temperature 51°F
Sunshine 275 days
Clean Air 37
#2
Score 75.2
Southport, CT
1,529 residents
Temperature 53°F
Sunshine 275 days
Clean Air 39
#3
Score 75.2
Sacred Heart University, CT
1,085 residents
Temperature 53°F
Sunshine 275 days
Clean Air 39
#4
Score 75.2
Darien Downtown, CT
1,329 residents
Temperature 53°F
Sunshine 275 days
Clean Air 39
#5
Score 75.2
Saugatuck, CT
3,091 residents
Temperature 53°F
Sunshine 275 days
Clean Air 39
#6
Score 75.2
Fairfield University, CT
2,516 residents
Temperature 53°F
Sunshine 275 days
Clean Air 39
#7
Score 75.2
Noroton Heights, CT
2,949 residents
Temperature 53°F
Sunshine 275 days
Clean Air 39
#8
Score 75.2
Compo, CT
3,561 residents
Temperature 53°F
Sunshine 275 days
Clean Air 39
#9
Score 75.2
Trumbull Center, CT
10,137 residents
Temperature 53°F
Sunshine 275 days
Clean Air 39
#10
Score 75.2
Noroton, CT
5,522 residents
Temperature 53°F
Sunshine 275 days
Clean Air 39
#11
Score 75.2
Coleytown, CT
3,479 residents
Temperature 53°F
Sunshine 275 days
Clean Air 39
#12
Score 75.2
Milford, CT
50,749 residents
Temperature 53°F
Sunshine 275 days
Clean Air 39

Full Ranking, Connecticut

Top 50 cities. Click any city to see its full profile.

1 New London CT 81.3
2 Southport CT 75.2
3 Sacred Heart University CT 75.2
4 Darien Downtown CT 75.2
5 Saugatuck CT 75.2
6 Fairfield University CT 75.2
7 Noroton Heights CT 75.2
8 Compo CT 75.2
9 Trumbull Center CT 75.2
10 Noroton CT 75.2
11 Coleytown CT 75.2
12 Milford CT 75.2
13 Stratford Downtown CT 75.2
14 Long Hill CDP (Greater Bridgeport County) CT 75.2
15 Westport Village CT 75.2
16 Tokeneke CT 75.2
17 Mill Plain CT 75.2
18 Old Hill CT 75.2
19 Poplar Plains CT 75.2
20 Greens Farms CT 75.2
21 Staples CT 75.2
22 Lordship CT 75.2
23 Norwalk CT 74.9
24 Mystic CT 72
25 Pawcatuck CT 72
26 Noank CT 72
27 Old Mystic CT 72
28 Stamford CT 70.8
29 Clinton CT 70.3
30 Madison Center CT 70.3
31 Guilford Center CT 70.3
32 East Haven CT 70.3
33 Woodmont CT 70.3
34 Branford Center CT 70.3
35 West Haven CT 70.3
36 East Hartford CT 69.9
37 New Britain CT 69.9
38 West Hartford CT 69.9
39 Glastonbury Center CT 69.9
40 Blue Hills CT 69.9
41 Portland CT 69.9
42 Manchester CT 69.9
43 Newington CT 69.9
44 Wethersfield CT 69.9
45 Lake Pocotopaug CT 69.9
46 Waterford CT 68.8
47 Groton CT 68.8
48 Niantic CT 68.8
49 Conning Towers-Nautilus Park CT 68.7
50 Gales Ferry CT 68.7

New London, CT tops the list with a composite score of 81.3 out of 100, followed by Southport and Sacred Heart University. CT dominates the top 12 with 12 cities, reflecting strong performance across the weighted metrics for best climate.

Rankings combine 4 independent metrics: Temperature, Sunshine, Clean Air, Low Rain. Cities are weighted to reflect what matters most to best climate, and any city missing one or more metrics is excluded to avoid artificially inflated rankings.

Explore Other Best Cities Rankings

Cleanest Air Cities
Lowest pollution levels for healthy outdoor living.
Sunniest Cities
Most days of sunshine per year, with warm and dry climate.
Most Urban Cities
Densely populated city centers with the largest urban footprints.