TODAY MAY18
TEMPERATURE60
HUMIDITY64
PRESSURE30.27
WIND COND.160 9.4
  • 7955Tue
  • 8556Wed
  • 8556Thu
  • 8057Fri30%
  • 7860Sat30%
daynightWeather update from Hartford, Hartford-Brainard Airport at

Key findings

  • The highest monthly average temperature in Manchester for July is 75.6 degrees
  • The lowest monthly average temperature in Manchester for January is 29.7 degrees
  • The most monthly precipitation in Manchester occurs in October with 5.2 inches
  • The air quality index in Manchester is 18% better than the national average
  • The pollution index in Manchester is 45% better than the national average

Compare Manchester, CT Weather

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      Manchester 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°F39°F30°F2.9"
      February21°F40°F31°F3.1"
      March29°F49°F39°F3.5"
      April40°F63°F51°F4.2"
      May50°F73°F61°F3.8"
      June60°F81°F70°F5.1"
      July66°F86°F76°F4.5"
      August64°F84°F73°F4.1"
      September57°F78°F67°F3.5"
      October46°F66°F55°F5.2"
      November35°F54°F44°F3.3"
      December27°F43°F35°F4.2"

      Manchester 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.
      IndexManchesterConnecticutNational
      Air quality index414350
      Pollution index2,806,1507,127,5315,066,862

      Manchester air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality291
      Days with moderate air quality66
      Days w/ poor A.Q. for sensitive groups7
      Days with unhealthy air quality1

      Manchester air quality information

      PollutantTotal
      Arsenic0.004%
      Benzene0.030%
      Carbon Tetrachloride0.010%
      Lead0.040%
      Mercury0.010%

      Average monthly Manchester temperature with heat index

      Manchester monthly precipitation with daily maximum

      Manchester monthly snow depth with daily maximum

      Manchester monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      South Coventry, CT1,1423334%
      Coventry Lake, CT3,1663334%
      Storrs, CT16,0593334%
      Colchester, CT4,4753334%
      Southwood Acres, CT7,7854020%
      Manchester, CT30,3644118%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Morgantown, WV30,3643628%
      Lake Stevens, WA30,3524510%
      Chicago Heights, IL30,3495510%
      Jamestown, NY30,3453726%
      Aiken, SC30,403476%
      Manchester, CT30,3644118%
      Source: The Manchester, 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.