TODAY MAY29
TEMPERATURE65°F
HUMIDITY97%
PRESSURE30.05 inHg
WIND COND.200° 9.2 mph
  • 8462Today
  • 8564Memorial Day
  • 8564Tue40% | 40%
  • 8263Wed60%
  • 7757Thu
daynightWeather update from University of Illinois - Willard, on 29 May 05:53 am CDT

Champaign Average Weather

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
January-18°F66°F28°F2.7"
February-9°F63°F28°F2.0"
March9°F81°F41°F2.7"
April21°F90°F52°F3.8"
May28°F96°F63°F3.2"
June48°F95°F73°F3.8"
July43°F95°F73°F4.9"
August44°F95°F73°F2.6"
September37°F95°F66°F3.0"
October25°F93°F54°F3.9"
November12°F75°F42°F2.9"
December-5°F63°F29°F2.9"

Did you know?

  • The highest monthly average temperature in Champaign for June is 73 degrees.
  • The lowest monthly average temperature in Champaign for February is 28 degrees.
  • The most monthly precipitation in Champaign occurs in July with 4.9 inches.
  • The air quality index in Champaign is 27% better than the national average.
  • The pollution index in Champaign is 70% better than the national average.

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Compare Champaign, IL Weather To Other Cities

Champaign 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.
IndexChampaignIllinoisNational
Air quality index364150
Pollution index1,494,1603,340,6745,072,052

Champaign air quality information

MeasurementTotal
Days measured365
Days with good air quality311
Days with moderate air quality54
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Champaign air quality information

PollutantTotal
Arsenic0.010%
Benzene0.040%
Carbon Tetrachloride0.290%
Lead0.010%
Mercury0.010%

Average monthly Champaign temperature with heat index

Champaign monthly precipitation with daily maximum

Champaign monthly snow depth with daily maximum

Champaign monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Broadlands, IL3043628%
Lake of the Woods, IL3,0263628%
Philo, IL1,5693628%
St. Joseph, IL3,8043628%
Thomasboro, IL1,0823628%
Champaign, IL81,0833628%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Livermore, CA81,086484%
Danbury, CT81,057476%
Hoover, AL81,13250= 100
Gary, IN81,1536020%
Longview, TX80,9313334%
Champaign, IL81,0833628%
Source: The Champaign, 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.