TODAY OCT17
TEMPERATURE37
HUMIDITY85
PRESSURE30.13
WIND COND.270 8.1
  • 4830Wed
  • 5438Thu
  • 5540Fri20%
  • 5329Sat
  • 4633Sun
daynightWeather update from Rochelle, Rochelle Municipal-Koritz Field Airport at
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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"

Did you know?

  • 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 37% better than the national average.
  • The pollution index in Rochelle is 66% better than the national average.

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Compare Rochelle, IL Weather To Other Cities

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 index314150
Pollution index1,721,0903,347,2955,066,862

Rochelle air quality information

MeasurementTotal
Days measured365
Days with good air quality339
Days with moderate air quality26
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

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.
Amboy, IL2,519198%
Lee, IL358198%
Shabbona, IL982198%
Ashton, IL1,0083138%
Franklin Grove, IL1,0603138%
Rochelle, IL9,3853138%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Rockcreek, OR9,3843824%
Decatur, IN9,384476%
New Albany, OH9,3844314%
Tomah, WI9,3804020%
Clarksville, AR9,3913530%
Rochelle, IL9,3853138%
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.