TODAY MAR02
TEMPERATURE29
HUMIDITY69
PRESSURE30.4
WIND COND.30 7.6
  • 5133Tue
  • 5630Wed
  • 5230Thu
  • 5031Fri
  • 5131Sat
daynightWeather update from Peoria - General Downing-Peoria International Airport at

Key findings

  • The highest monthly average temperature in Topeka for July is 76 degrees
  • The lowest monthly average temperature in Topeka for January is 26 degrees
  • The most monthly precipitation in Topeka occurs in June with 5.4 inches
  • The air quality index in Topeka is 18% better than the national average
  • The pollution index in Topeka is 92% better than the national average

Compare Topeka, IL Weather

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      Topeka 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
      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"

      Topeka 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.
      IndexTopekaIllinoisNational
      Air quality index414150
      Pollution index400,9053,347,2955,066,862

      Topeka air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality285
      Days with moderate air quality78
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Topeka air quality information

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

      Average monthly Topeka temperature with heat index

      Topeka monthly precipitation with daily maximum

      Topeka monthly snow depth with daily maximum

      Topeka monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Easton, IL3764020%
      Mason City, IL2,2724020%
      Kilbourne, IL3104020%
      Bath, IL2574020%
      Banner, IL2154118%
      Topeka, IL784118%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Holliday, MO783824%
      Pageton, WV78295490%
      Big Lagoon, CA782746%
      Marrowbone, KY782550%
      St. Clairsville, PA783922%
      Topeka, IL784118%
      Source: The Topeka, 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.