TODAY JUN06
TEMPERATURE80
HUMIDITY42
PRESSURE30.05
WIND COND.90 12.8
  • 9171Sun
  • 9370Mon
  • 8159Tue60%80%
  • 7859Wed30%
  • 7857Thu
daynightWeather update from Ottumwa, Ottumwa Industrial Airport at
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Chillicothe 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
January15°F33°F24°F0.7"
February17°F36°F26°F1.1"
March31°F52°F40°F2.3"
April41°F65°F52°F4.7"
May51°F74°F62°F5.0"
June62°F83°F72°F6.5"
July65°F86°F75°F4.5"
August63°F84°F73°F5.2"
September54°F78°F65°F3.7"
October43°F65°F53°F3.0"
November32°F52°F41°F2.0"
December20°F36°F28°F1.9"

Did you know?

  • The highest monthly average temperature in Chillicothe for July is 75 degrees.
  • The lowest monthly average temperature in Chillicothe for January is 24 degrees.
  • The most monthly precipitation in Chillicothe occurs in June with 6.5 inches.
  • The air quality index in Chillicothe is 16% better than the national average.
  • The pollution index in Chillicothe is 91% better than the national average.

Compare Chillicothe, IA Weather To Other Cities

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      Chillicothe 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.
      IndexChillicotheIowaNational
      Air quality index423950
      Pollution index464,3331,643,8365,066,862

      Chillicothe air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality244
      Days with moderate air quality120
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality

      Chillicothe air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.320%
      Mercury0.000%

      Average monthly Chillicothe temperature with heat index

      Chillicothe monthly precipitation with daily maximum

      Chillicothe monthly snow depth with daily maximum

      Chillicothe monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Agency, IA6194020%
      Ottumwa, IA24,7094020%
      Beacon, IA5264118%
      University Park, IA5584118%
      Blakesburg, IA3024118%
      Chillicothe, IA974216%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Carter, MT972648%
      Coolidge, KS97688%
      Levelock, AK972942%
      Siglerville, PA973922%
      Sedan, MT972452%
      Chillicothe, IA974216%
      Source: The Chillicothe, IA 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.