TODAY AUG16
TEMPERATURE74
HUMIDITY91
PRESSURE29.91
WIND COND.
  • 8468Thu40%40%
  • 8366Fri30%40%
  • 8465Sat
  • 8467Sun
  • 8065Mon
daynightWeather update from Peoria - General Downing-Peoria International Airport at

Peoria 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
January17°F37°F26°F2.3"
February18°F39°F28°F2.1"
March31°F54°F42°F3.1"
April41°F67°F54°F4.7"
May51°F77°F64°F4.4"
June62°F85°F73°F5.4"
July65°F88°F76°F3.4"
August64°F86°F74°F3.5"
September56°F81°F68°F4.1"
October44°F68°F55°F3.4"
November33°F55°F43°F2.9"
December22°F39°F30°F2.7"

Did you know?

  • The highest monthly average temperature in Peoria for July is 76 degrees.
  • The lowest monthly average temperature in Peoria for January is 26 degrees.
  • The most monthly precipitation in Peoria occurs in June with 5.4 inches.
  • The air quality index in Peoria is 3% better than the national average.
  • The pollution index in Peoria is 86% better than the national average.

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Compare Peoria, IL Weather To Other Cities

Peoria 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.
IndexPeoriaIllinoisNational
Air quality index484150
Pollution index672,0313,347,2955,066,862

Peoria air quality information

MeasurementTotal
Days measured365
Days with good air quality207
Days with moderate air quality132
Days w/ poor A.Q. for sensitive groups21
Days with unhealthy air quality5

Peoria air quality information

PollutantTotal
Arsenic0.001%
Benzene0.030%
Carbon Tetrachloride0.000%
Lead0.001%
Mercury0.020%

Average monthly Peoria temperature with heat index

Peoria monthly precipitation with daily maximum

Peoria monthly snow depth with daily maximum

Peoria monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Heritage Lake, IL1,4823628%
Bartonville, IL6,406484%
Deer Creek, IL771484%
Glasford, IL1,234484%
Lake Camelot, IL1,890484%
Peoria, IL115,990484%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Fargo, ND115,9503530%
Provo, UT115,718476%
El Monte, CA115,6657448%
Springfield, IL116,7453530%
Columbia, MO117,165375650%
Peoria, IL115,990484%
Source: The Peoria, 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.