TODAY MAR02
TEMPERATURE26
HUMIDITY64
PRESSURE30.37
WIND COND.330 7.6
  • 4228Tue
  • 4725Wed
  • 4424Thu
  • 4426Fri
  • 4626Sat
daynightWeather update from Rochelle, Rochelle Municipal-Koritz Field Airport at

Key findings

  • The highest monthly average temperature in Rochelle for July is 71 degrees
  • The lowest monthly average temperature in Rochelle for January is 22 degrees
  • The most monthly precipitation in Rochelle occurs in October with 7.1 inches
  • The air quality index in Rochelle is 16% better than the national average
  • The pollution index in Rochelle is 66% better than the national average

Compare Rochelle, IL Weather

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      Rochelle 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
      January14°F30°F22°F3.8"
      February14°F32°F23°F3.4"
      March29°F48°F37°F4.3"
      April39°F62°F50°F4.5"
      May50°F74°F61°F5.4"
      June59°F81°F70°F6.7"
      July61°F82°F71°F6.0"
      August59°F81°F69°F6.4"
      September51°F76°F63°F3.8"
      October41°F63°F51°F7.1"
      November29°F48°F38°F3.9"
      December19°F34°F26°F3.6"

      Rochelle 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.
      IndexRochelleIllinoisNational
      Air quality index424150
      Pollution index1,721,0903,347,2955,066,862

      Rochelle air quality information

      MeasurementTotal
      Days measured341
      Days with good air quality240
      Days with moderate air quality100
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Rochelle air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.001%
      Lead0.002%
      Mercury0.000%

      Average monthly Rochelle temperature with heat index

      Rochelle monthly precipitation with daily maximum

      Rochelle monthly snow depth with daily maximum

      Rochelle monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Shabbona, IL9820100%
      Amboy, IL2,5190100%
      Lee, IL3580100%
      Hillcrest, IL1,2584216%
      Monroe Center, IL4634216%
      Rochelle, IL9,3854216%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Rockcreek, OR9,3843824%
      New Albany, OH9,384468%
      Decatur, IN9,3844510%
      Tomah, WI9,3803530%
      Clarksville, AR9,3913628%
      Rochelle, IL9,3854216%
      Source: The Rochelle, 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.