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Connecticut

Research / Warmest ZIP codes

Warmest ZIP codes in Connecticut

Ranked by annual average temperature estimated from nearby weather observations.
47.8°F to 48.0°F: 4 values 48.0°F to 48.2°F: 1 values 48.2°F to 48.5°F: 0 values 48.5°F to 48.7°F: 2 values 48.7°F to 49.0°F: 6 values 49.0°F to 49.2°F: 7 values 49.2°F to 49.4°F: 5 values 49.4°F to 49.7°F: 7 values 49.7°F to 49.9°F: 10 values 49.9°F to 50.2°F: 16 values 50.2°F to 50.4°F: 14 values 50.4°F to 50.6°F: 22 values 50.6°F to 50.9°F: 19 values 50.9°F to 51.1°F: 14 values 51.1°F to 51.4°F: 25 values 51.4°F to 51.6°F: 19 values 51.6°F to 51.8°F: 13 values 51.8°F to 52.1°F: 19 values 52.1°F to 52.3°F: 12 values 52.3°F to 52.6°F: 2 values 52.6°F to 52.8°F: 11 values 52.8°F to 53.0°F: 15 values 53.0°F to 53.3°F: 5 values 53.3°F to 53.5°F: 7 values 47.8°F 53.5°F
Avg. temperature across 255 Connecticut ZIPs. Dark bars include the top 25.

How we rank average temperature

Average temperature is calculated from monthly mean temperatures at nearby weather stations. Each ZIP reflects nearby observations, with closer stations having more influence.

An annual average hides the season: a mild coastal ZIP and a hot inland one can share a value. Open a ZIP's profile for hot days, freeze days, and precipitation.

Only ZIPs with at least 1,000 residents are ranked, so a handful of households cannot top the list. 255 Connecticut ZIPs qualify.

Build your own ranking →Explore the data on a map

Connecticut ZIP codes ranked by average temperature

Boundary map of ZIP 065121ZIP 06512

New Haven

Connecticut

Avg. temperature
54.5°F
ZIP population
~29k
Avg. commute
24 min
Explore 06512
Boundary map of ZIP 065192ZIP 06519

New Haven

Connecticut

Avg. temperature
53.7°F
ZIP population
~16k
Avg. commute
23 min
Explore 06519
Boundary map of ZIP 066153ZIP 06615

Stratford

Connecticut

Avg. temperature
53.5°F
ZIP population
~17k
Avg. commute
28 min
Explore 06615
Boundary map of ZIP 065104ZIP 06510

New Haven

Connecticut

Avg. temperature
53.4°F
ZIP population
~5k
Avg. commute
14 min
Explore 06510
Boundary map of ZIP 065135ZIP 06513

New Haven

Connecticut

Avg. temperature
53.4°F
ZIP population
~39k
Avg. commute
24 min
Explore 06513
Boundary map of ZIP 065166ZIP 06516

West Haven

Connecticut

Avg. temperature
53.4°F
ZIP population
~55k
Avg. commute
23 min
Explore 06516
Connecticut ZIP codes ranked by average temperature, continued
RankZIPCityCountyAvg. temperature
#7 06607 Bridgeport Greater Bridgeport County 53.3°F
#8 06870 Old Greenwich Western Connecticut County 53.2°F
#9 06511 New Haven South Central Connecticut County 53.2°F
#10 06878 Old Greenwich Western Connecticut County 53.1°F
#11 06608 Bridgeport Greater Bridgeport County 53.1°F
#12 06830 Greenwich Western Connecticut County 53.1°F
#13 06807 Cos Cob Western Connecticut County 53.0°F
#14 06901 Stamford Western Connecticut County 53.0°F
#15 06604 Bridgeport Greater Bridgeport County 53.0°F
#16 06902 Stamford Western Connecticut County 53.0°F
#17 06855 Norwalk Western Connecticut County 53.0°F
#18 06853 Norwalk Western Connecticut County 53.0°F
#19 06610 Bridgeport Greater Bridgeport County 53.0°F
#20 06831 Greenwich Western Connecticut County 53.0°F
#21 06605 Bridgeport Greater Bridgeport County 53.0°F
#22 06906 Stamford Western Connecticut County 53.0°F
#23 06820 Darien Western Connecticut County 52.9°F
#24 06905 Stamford Western Connecticut County 52.9°F
#25 06854 Norwalk Western Connecticut County 52.9°F

Explore Connecticut

Browse all 288 Connecticut ZIP codes →

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SkaldMaps showing Connecticut ZIP codes scored by a sample home-search model for schools, rent, healthcare access, and broadband.

More Connecticut research

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Connecticut median ZIP
55.6
Middle 80% of ZIPs
30.8 to 72.7
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Most affordable ZIP codes

Ranked by cost of living index

Connecticut median ZIP
116.2
Middle 80% of ZIPs
99.2 to 174.9
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ZIP codes with the shortest commutes

ZIP codes with the shortest commutes

Ranked by mean commute

Connecticut median ZIP
26.6 min
Middle 80% of ZIPs
21.4 min to 34.0 min
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Best healthcare access

Best healthcare access

Ranked by healthcare access score

Connecticut median ZIP
95.0
Middle 80% of ZIPs
88.9 to 98.8
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Best broadband coverage

Best broadband coverage

Ranked by households with broadband

Connecticut median ZIP
93.6%
Middle 80% of ZIPs
87.2% to 97.7%
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