TODAY FEB27
TEMPERATURE31
HUMIDITY92
PRESSURE30.41
WIND COND.130 9.4
  • 4732Sat
  • 4336Sun20%20%
  • 4817Mon
  • 3220Tue
  • 4430Wed
daynightWeather update from Oxford, Waterbury-Oxford Airport at

Key findings

  • The highest monthly average temperature in Waterbury for July is 72 degrees
  • The lowest monthly average temperature in Waterbury for January is 28 degrees
  • The most monthly precipitation in Waterbury occurs in June with 12.4 inches
  • The air quality index in Waterbury is 18% better than the national average
  • The pollution index in Waterbury is 186% worse than the national average

Compare Waterbury, CT Weather

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      Waterbury 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
      January21°F36°F28°F3.9"
      February21°F37°F29°F4.4"
      March29°F46°F37°F7.7"
      April39°F59°F48°F9.6"
      May49°F68°F58°F9.0"
      June57°F76°F66°F12.4"
      July63°F81°F72°F9.8"
      August61°F79°F70°F7.9"
      September55°F73°F63°F6.6"
      October44°F62°F53°F10.7"
      November35°F51°F43°F4.9"
      December27°F41°F34°F3.7"

      Waterbury 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.
      IndexWaterburyConnecticutNational
      Air quality index414350
      Pollution index14,500,3007,127,5315,066,862

      Waterbury 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

      Waterbury air quality information

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

      Average monthly Waterbury temperature with heat index

      Waterbury monthly precipitation with daily maximum

      Waterbury monthly snow depth with daily maximum

      Waterbury monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Thomaston, CT1,8033726%
      Watertown, CT3,3513726%
      Bethlehem Village, CT1,8523726%
      Oakville, CT9,1333726%
      Bantam, CT8293726%
      Waterbury, CT109,2114118%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Billings, MT109,0892158%
      San Buenaventura (Ventura), CA109,067468%
      High Point, NC108,9824020%
      Temecula, CA108,9658978%
      Cambridge, MA108,7574314%
      Waterbury, CT109,2114118%
      Source: The Waterbury, 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.