TODAY FEB28
TEMPERATURE44
HUMIDITY65
PRESSURE30.16
WIND COND. 5.4
  • 4914Mon70%
  • 3024Tue
  • 4729Wed
  • 4321Thu
  • 3422Fri
daynightWeather update from Willimantic, Windham Airport at

Key findings

  • The highest monthly average temperature in Willimantic for July is 74 degrees
  • The lowest monthly average temperature in Willimantic for January is 29 degrees
  • The most monthly precipitation in Willimantic occurs in June with 5 inches
  • The air quality index in Willimantic is 34% better than the national average
  • The pollution index in Willimantic is 45% better 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 index334350
      Pollution index2,806,1507,127,5315,066,862

      Willimantic air quality information

      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

      Willimantic air quality information

      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

      City, StatePopulationAir Quality IndexNational Avg.
      Mansfield Center, CT9693334%
      Colchester, CT4,4753334%
      South Woodstock, CT1,2463334%
      South Coventry, CT1,1423334%
      Brooklyn, CT9063334%
      Willimantic, CT17,3393334%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Huntington, IN17,3403138%
      Bristol, VA17,3404510%
      Beckley, WV17,348295490%
      Anoka, MN17,325468%
      Marco Island, FL17,3613432%
      Willimantic, CT17,3393334%
      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.