Why stop at city-to-city? With Local Insights, you can compare neighborhoods, zip codes, or even exact addresses. Access 300+ hyperlocal data points—from schools and crime to housing and amenities—to see which area is the better fit.
| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 21°F | 39°F | 30°F | 2.9" |
| February | 21°F | 40°F | 31°F | 3.1" |
| March | 29°F | 49°F | 39°F | 3.5" |
| April | 40°F | 63°F | 51°F | 4.2" |
| May | 50°F | 73°F | 61°F | 3.8" |
| June | 60°F | 81°F | 70°F | 5.1" |
| July | 66°F | 86°F | 76°F | 4.5" |
| August | 64°F | 84°F | 73°F | 4.1" |
| September | 57°F | 78°F | 67°F | 3.5" |
| October | 46°F | 66°F | 55°F | 5.2" |
| November | 35°F | 54°F | 44°F | 3.3" |
| December | 27°F | 43°F | 35°F | 4.2" |
| Index | West Hartford | Connecticut | National |
| Air quality index | 41 | 43 | 42 |
| Pollution index | 2,806,150 | 8,629,883 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 291 |
| Days with moderate air quality | 66 |
| Days w/ poor A.Q. for sensitive groups | 7 |
| Days with unhealthy air quality | 1 |
| Pollutant | Total |
| Arsenic | 0.004% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.040% |
| Mercury | 0.010% |
| City | Population | Air Quality Index | National Avg. |
| Terryville, CT | 5,019 | 37 | 26.0% |
| Collinsville, CT | 3,729 | 37 | 26.0% |
| Bristol, CT | 60,039 | 37 | 26.0% |
| New Hartford Center, CT | 1,210 | 37 | 26.0% |
| Southwood Acres, CT | 8,352 | 40 | 20.0% |
| West Hartford, CT | 63,023 | 41 | 18.0% |
| City | Population | Air Quality Index | National Avg. |
| Brentwood, CA | 63,013 | 45 | 10.0% |
| Encinitas, CA | 62,967 | 64 | 28.0% |
| La Habra, CA | 62,787 | 72 | 44.0% |
| Skokie, IL | 63,300 | 55 | 10.0% |
| Brentwood, NY | 62,743 | 43 | 14.0% |
| West Hartford, CT | 63,023 | 41 | 18.0% |
Here are the best places to live in Connecticut
See the best places to live in West Hartford
Safest States In The US
Check out the 10 safest cities in Connecticut