TODAY MAR05
TEMPERATURE27
HUMIDITY37
PRESSURE29.81
WIND COND.320 14.8
  • 3523
  • 3519Sat
  • 3622Sun
  • 4131Mon
  • 5135Tue
daynightWeather update from New Haven, Tweed-New Haven Airport at

Key findings

  • The highest monthly average temperature in New Haven for July is 75 degrees
  • The lowest monthly average temperature in New Haven for January is 32 degrees
  • The most monthly precipitation in New Haven occurs in June with 4.7 inches
  • The air quality index in New Haven is 18% better than the national average
  • The pollution index in New Haven is 186% worse than the national average

Compare New Haven, CT Weather

      vs
      How would you rate the weather in New Haven?
      Write a review to give others more information about this area.
      How would you rate the air quality in New Haven?
      Write a review to give others more information about this area.
      See all New Haven poll results

      New Haven Average Temperature

      In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
      MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
      January23°F40°F32°F2.6"
      February23°F41°F32°F2.8"
      March30°F48°F39°F3.4"
      April40°F60°F50°F4.5"
      May50°F69°F59°F3.8"
      June60°F78°F68°F4.7"
      July66°F84°F75°F3.1"
      August64°F82°F74°F3.7"
      September58°F77°F67°F3.2"
      October47°F66°F57°F4.5"
      November37°F55°F46°F2.9"
      December30°F45°F37°F4.2"

      New Haven air quality index & pollution index

      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
      IndexNew HavenConnecticutNational
      Air quality index414350
      Pollution index14,500,3007,127,5315,066,862

      New Haven air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality280
      Days with moderate air quality71
      Days w/ poor A.Q. for sensitive groups12
      Days with unhealthy air quality2

      New Haven air quality information

      PollutantTotal
      Arsenic0.030%
      Benzene0.140%
      Carbon Tetrachloride0.050%
      Lead0.080%
      Mercury0.060%

      Average monthly New Haven temperature with heat index

      New Haven monthly precipitation with daily maximum

      New Haven monthly snow depth with daily maximum

      New Haven monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      North Haven, CT23,8884118%
      Branford Center, CT6,3604118%
      Ansonia, CT18,9504118%
      Cheshire Village, CT6,1034118%
      Derby, CT12,7554118%
      New Haven, CT130,4054118%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Thornton, CO130,5115816%
      Waco, TX130,6593824%
      Charleston, SC129,8883824%
      Enterprise, NV129,620548%
      Cedar Rapids, IA129,5373922%
      New Haven, CT130,4054118%
      Source: The New Haven, CT weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.