TODAY MAR29
TEMPERATURE44
HUMIDITY51
PRESSURE100480
WIND COND.320 18.4
  • 5740Sat20%
  • 5636Sun20%
  • 5237Mon30%30%
  • 4536Tue80%80%
  • 4736Wed60%70%
daynightWeather update from Hartford, Hartford-Brainard Airport at
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Weather Quick Facts

  • The highest monthly average temperature in South West for July is 75.6 degrees
  • The lowest monthly average temperature in South West for January is 29.7 degrees
  • The most monthly precipitation in South West occurs in October with 5.2 inches
  • The air quality index in South West is 3% better than the national average
  • The pollution index in South West is 3% worse than the national average

Compare Hartford, CT Weather

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      South West 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"

      South West 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.
      IndexSouth WestHartfordConnecticut
      Air quality index414143
      Pollution index2,806,1502,806,1508,629,883

      South West 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

      South West air quality information

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

      Average monthly South West temperature with heat index

      South West monthly precipitation with daily maximum

      South West monthly snow depth with daily maximum

      South West monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bristol, CT60,0393726.0%
      Collinsville, CT3,7293726.0%
      New Hartford Center, CT1,2103726.0%
      East Hartford, CT50,0364118.0%
      Rockville, CT7,0844118.0%
      Hartford, CT122,5494118.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Odessa, TX122,6302844.0%
      Columbia, MO122,6593824.0%
      Wilmington, NC122,1623432.0%
      Victorville, CA122,9588978.0%
      Berkeley, CA123,0654020.0%
      Hartford, CT122,5494118.0%
      Source: The South West, Hartford, 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.