TODAY DEC02
TEMPERATURE12
HUMIDITY78
PRESSURE102850
WIND COND.
  • 2612Mon50%
  • 3122Tue
  • 4312Wed
  • 2212Thu
  • 3122Fri
daynightWeather update from Macomb Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Raritan for July is 74.7 degrees
  • The lowest monthly average temperature in Raritan for January is 25.9 degrees
  • The most monthly precipitation in Raritan occurs in June with 10.8 inches
  • The air quality index in Raritan is 31% better than the national average
  • The pollution index in Raritan is 63% better than the national average

Compare Raritan, IL Weather

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      Raritan 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
      January18°F35°F26°F3.6"
      February19°F38°F27°F3.0"
      March33°F53°F42°F3.4"
      April43°F67°F54°F5.4"
      May53°F76°F64°F7.4"
      June63°F84°F73°F10.8"
      July65°F85°F75°F8.6"
      August63°F84°F73°F8.8"
      September55°F80°F66°F8.0"
      October44°F68°F55°F8.3"
      November33°F54°F42°F6.4"
      December23°F38°F30°F5.1"

      Raritan 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.
      IndexRaritanIllinoisNational
      Air quality index294142
      Pollution index1,001,7103,148,6942,726,193

      Raritan air quality

      MeasurementTotal
      Days measured120
      Days with good air quality101
      Days with moderate air quality19
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.004%
      Benzene0.040%
      Carbon Tetrachloride0.000%
      Lead0.010%
      Mercury0.020%

      Average monthly Raritan temperature with heat index

      Raritan monthly precipitation with daily maximum

      Raritan monthly snow depth with daily maximum

      Raritan monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Good Hope, IL4052942.0%
      Lomax, IL3752942.0%
      Stronghurst, IL1,0662942.0%
      Bardolph, IL2772942.0%
      Gulf Port, IL212942.0%
      Raritan, IL1232942.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Cold Bay, AK1233138.0%
      Blue Mountain, AR1233628.0%
      Nicasio, CA1234020.0%
      Vincent, IA1233726.0%
      Princeton, ID1231080.0%
      Raritan, IL1232942.0%
      Source: The Raritan, 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.