TODAY JUN04
TEMPERATURE85
HUMIDITY57
PRESSURE29.77
WIND COND.200 8.1
  • 8863Fri20%20%
  • 8359Sat
  • 8363Sun
  • 8769Mon
  • 8664Tue60%
daynightWeather update from Galesburg Municipal Airport at
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Monmouth 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
January17°F34°F24°F3.4"
February18°F36°F26°F3.6"
March32°F52°F41°F3.5"
April41°F65°F52°F6.9"
May52°F74°F63°F7.1"
June62°F83°F72°F7.9"
July65°F86°F75°F8.4"
August63°F84°F73°F7.4"
September54°F78°F65°F8.9"
October44°F66°F54°F5.8"
November32°F52°F41°F4.0"
December22°F37°F29°F4.5"

Did you know?

  • The highest monthly average temperature in Monmouth for July is 75 degrees.
  • The lowest monthly average temperature in Monmouth for January is 24 degrees.
  • The most monthly precipitation in Monmouth occurs in September with 8.9 inches.
  • The air quality index in Monmouth is 13% worse than the national average.
  • The pollution index in Monmouth is 66% better than the national average.

Compare Monmouth, IL Weather To Other Cities

      vs

      Monmouth 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.
      IndexMonmouthIllinoisNational
      Air quality index564150
      Pollution index1,709,2303,347,2955,066,862

      Monmouth air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality139
      Days with moderate air quality170
      Days w/ poor A.Q. for sensitive groups52
      Days with unhealthy air quality4

      Monmouth air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.050%
      Carbon Tetrachloride0.040%
      Lead0.001%
      Mercury0.001%

      Average monthly Monmouth temperature with heat index

      Monmouth monthly precipitation with daily maximum

      Monmouth monthly snow depth with daily maximum

      Monmouth monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Stronghurst, IL9444020%
      Kirkwood, IL8484020%
      Roseville, IL1,1204020%
      Media, IL1494020%
      Biggsville, IL3254020%
      Monmouth, IL9,2725612%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Morehead City, NC9,2733138%
      Ecorse, MI9,270524%
      Waseca, MN9,2673726%
      Grosse Pointe Farms, MI9,265524%
      Grants, NM9,2631766%
      Monmouth, IL9,2725612%
      Source: The Monmouth, 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.