Champaign, IL Weather

Champaign average temperature

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"
In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.

The highest average temperature in Champaign is June at 72.9 degrees. The coldest average temperature in Champaign is February at 27.8 degrees. The most monthly precipitation in Champaign occurs in July with 4.9 inches. The Champaign weather information is based on the average of the previous 3-7 years of data.

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Champaign air quality index & pollution index

IndexChampaignIllinoisNational
Air quality index364150
Pollution index1,494,1603,340,6745,072,052
In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
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The Champaign, IL air quality index is a median value which considers the most hazardous air pollutants. The Champaign, IL air quality index is 12.6% less than the Illinois average and 27.6% less than the national average.

The Champaign, IL pollution index is the sum of the most hazardous air pollutants displayed in pounds. The Champaign, IL pollution index is 55.3% less than the Illinois average and 70.5% less than the national average.

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

Air pollution 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

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