TODAY FEB28
TEMPERATURE52
HUMIDITY100
PRESSURE29.84
WIND COND.150 14.8
  • 4828Mon
  • 4731Tue20%
  • 5735Wed
  • 6038Thu
  • 5332Fri
daynightWeather update from Sparta Community-Hunter Field Airport at

Key findings

  • The highest monthly average temperature in Marissa for July is 78 degrees
  • The lowest monthly average temperature in Marissa for January is 33 degrees
  • The most monthly precipitation in Marissa occurs in August with 10.7 inches
  • The air quality index in Marissa is 9% worse than the national average
  • The pollution index in Marissa is 76% better than the national average

Compare Marissa, IL Weather

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      Marissa 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
      January25°F42°F33°F4.6"
      February27°F45°F35°F2.4"
      March39°F58°F48°F3.7"
      April48°F69°F58°F6.6"
      May57°F77°F66°F10.0"
      June66°F86°F76°F8.8"
      July69°F88°F78°F6.8"
      August67°F87°F76°F10.7"
      September59°F81°F69°F7.4"
      October48°F70°F58°F9.0"
      November38°F57°F47°F6.5"
      December30°F45°F37°F7.7"

      Marissa 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.
      IndexMarissaIllinoisNational
      Air quality index544150
      Pollution index1,232,9203,347,2955,066,862

      Marissa air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality134
      Days with moderate air quality221
      Days w/ poor A.Q. for sensitive groups8
      Days with unhealthy air quality2

      Marissa air quality information

      PollutantTotal
      Arsenic0.170%
      Benzene0.030%
      Carbon Tetrachloride0.000%
      Lead0.010%
      Mercury0.290%

      Average monthly Marissa temperature with heat index

      Marissa monthly precipitation with daily maximum

      Marissa monthly snow depth with daily maximum

      Marissa monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Cutler, IL4074314%
      Okawville, IL1,6204314%
      Coulterville, IL9344314%
      Oakdale, IL1814314%
      Tilden, IL7634314%
      Marissa, IL1,666548%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Oakwood, IL1,6664216%
      Van Buren, ME1,6663138%
      Key Vista, FL1,6664314%
      Graton, CA1,6653432%
      Bryson City, NC1,6654412%
      Marissa, IL1,666548%
      Source: The Marissa, 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.