TODAY NOV24
TEMPERATURE46
HUMIDITY51
PRESSURE100920
WIND COND.310 13
  • 5135Mon
  • 5632Tue90%
  • 4733Wed
  • 493550%60%
  • 4727Fri30%
daynightWeather update from Willimantic, Windham Airport at
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Weather Quick Facts

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

Compare Willimantic, CT Weather

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      Willimantic 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"

      Willimantic 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.
      IndexWillimanticConnecticutNational
      Air quality index334342
      Pollution index2,806,1508,629,8832,726,193

      Willimantic 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 Willimantic temperature with heat index

      Willimantic monthly precipitation with daily maximum

      Willimantic monthly snow depth with daily maximum

      Willimantic monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      South Woodstock, CT1,0313334.0%
      South Coventry, CT1,4133334.0%
      Brooklyn, CT1,1283334.0%
      Storrs, CT16,3923334.0%
      South Windham, CT1,4753334.0%
      Willimantic, CT18,6693334.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Augusta, ME18,6622844.0%
      Cedar Mill, OR18,6613824.0%
      Petawawa, ON18,660n/a 
      Homewood, IL18,6565510.0%
      Point Pleasant, NJ18,6864118.0%
      Willimantic, CT18,6693334.0%
      Source: The Willimantic, 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.