TODAY NOV22
TEMPERATURE47
HUMIDITY93
PRESSURE98920
WIND COND.80 22.3
  • 4936Fri30%60%
  • 4938Sat40%20%
  • 5032Sun
  • 5338Mon
  • 5931Tue30%
daynightWeather update from Willimantic, Windham Airport at
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Weather Quick Facts

  • The highest monthly average temperature in South Windham for July is 73.5 degrees
  • The lowest monthly average temperature in South Windham for January is 28.7 degrees
  • The most monthly precipitation in South Windham occurs in June with 5 inches
  • The air quality index in South Windham is 22% better than the national average
  • The pollution index in South Windham is 3% worse than the national average

Compare South Windham, CT Weather

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      South Windham 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
      January19°F39°F29°F2.7"
      February19°F40°F29°F3.0"
      March28°F49°F38°F3.5"
      April38°F62°F50°F4.0"
      May48°F73°F60°F3.3"
      June57°F79°F68°F5.0"
      July63°F85°F74°F3.9"
      August60°F82°F71°F4.1"
      September54°F77°F65°F3.7"
      October43°F66°F54°F4.4"
      November33°F54°F43°F3.4"
      December26°F44°F34°F4.0"

      South Windham 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 WindhamConnecticutNational
      Air quality index334342
      Pollution index2,806,1508,629,8832,726,193

      South Windham air quality

      MeasurementTotal
      Days measured334
      Days with good air quality319
      Days with moderate air quality14
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality

      Air quality details

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

      Average monthly South Windham temperature with heat index

      South Windham monthly precipitation with daily maximum

      South Windham monthly snow depth with daily maximum

      South Windham monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      East Brooklyn, CT2,1033334.0%
      Wauregan, CT1,4863334.0%
      Mansfield Center, CT1,3673334.0%
      Willimantic, CT18,6693334.0%
      Brooklyn, CT1,1283334.0%
      South Windham, CT1,4753334.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Vance, AL1,4753530.0%
      Ogden, KS1,4753236.0%
      Huntsville, TN1,475536.0%
      Ferron, UT1,475468.0%
      Lebec, CA1,4746734.0%
      South Windham, CT1,4753334.0%
      Source: The South Windham, 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.