TODAY JUL05
TEMPERATURE70
HUMIDITY98
PRESSURE29.98
WIND COND.20 7.6
  • 8970Sun20%
  • 9070Mon30%
  • 8971Tue30%
  • 9072Wed
  • 9172Thu
daynightWeather update from Taylorville, Taylorville Municipal Airport at

Key findings

  • The highest monthly average temperature in Stonington for July is 76 degrees
  • The lowest monthly average temperature in Stonington for January is 28 degrees
  • The most monthly precipitation in Stonington occurs in July with 15.2 inches
  • The air quality index in Stonington is 12% better than the national average
  • The pollution index in Stonington is 53% better than the national average

Compare Stonington, IL Weather

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      Stonington 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
      January22°F37°F28°F2.4"
      February23°F39°F30°F1.0"
      March36°F55°F44°F4.5"
      April45°F67°F55°F12.9"
      May55°F76°F65°F9.0"
      June64°F85°F73°F4.0"
      July66°F87°F76°F15.2"
      August64°F86°F74°F6.8"
      September57°F80°F67°F6.1"
      October46°F67°F55°F4.5"
      November36°F54°F44°F3.5"
      December27°F40°F33°F2.2"

      Stonington 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.
      IndexStoningtonIllinoisNational
      Air quality index444150
      Pollution index2,357,2803,347,2955,066,862

      Stonington air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality255
      Days with moderate air quality110
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Stonington air quality information

      PollutantTotal
      Arsenic0.002%
      Benzene0.030%
      Carbon Tetrachloride0.004%
      Lead0.010%
      Mercury0.000%

      Average monthly Stonington temperature with heat index

      Stonington monthly precipitation with daily maximum

      Stonington monthly snow depth with daily maximum

      Stonington monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Taylorville, IL11,0814020%
      Dawson, IL5444020%
      Tovey, IL4604020%
      Jeisyville, IL924020%
      Mechanicsburg, IL6234020%
      Stonington, IL9134412%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      White Plains, KY9134020%
      Junction City, OH9132550%
      Luckey, OH9134020%
      Brent, OK9133628%
      Alamo, NV912548%
      Stonington, IL9134412%
      Source: The Stonington, IL 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.