TODAY JUN21
TEMPERATURE69
HUMIDITY91
PRESSURE29.81
WIND COND.10 6.9
  • 7868Thu50%90%
  • 8165Fri50%70%
  • 7965Sat60%
  • 8263Sun30%40%
  • 8360Mon
daynightWeather update from Rickenbacker Air National Guard Base at

Chillicothe 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-13°F70°F33°Fn/a
February-6°F68°F32°Fn/a
March9°F82°F43°Fn/a
April23°F89°F55°Fn/a
May30°F93°F64°Fn/a
June52°F99°F74°Fn/a
July52°F99°F76°Fn/a
August52°F100°F76°Fn/a
September43°F97°F69°Fn/a
October25°F93°F56°Fn/a
November12°F75°F45°Fn/a
December3°F70°F35°Fn/a

Did you know?

  • The highest monthly average temperature in Chillicothe for August is 76 degrees.
  • The lowest monthly average temperature in Chillicothe for February is 32 degrees.
  • The most monthly precipitation in Chillicothe occurs in January with 0 inches.
  • The air quality index in Chillicothe is 37% better than the national average.
  • The pollution index in Chillicothe is 54% better than the national average.

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Compare Chillicothe, OH Weather To Other Cities

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.
IndexChillicotheOhioNational
Air quality index314050
Pollution index2,306,0006,740,0015,066,862

Chillicothe air quality information

MeasurementTotal
Days measured358
Days with good air quality349
Days with moderate air quality9
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Chillicothe air quality information

PollutantTotal
Arsenic0.710%
Benzene0.020%
Carbon Tetrachloride0.003%
Lead0.020%
Mercury0.070%

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.
Richmond Dale, OH4901962%
Waverly, OH4,3741962%
Clarksburg, OH4973138%
New Holland, OH7253138%
Frankfort, OH1,1183138%
Chillicothe, OH21,7483138%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Geneva, IL21,7326020%
Venice, FL21,7223824%
Brushy Creek, TX21,7804118%
Duarte, CA21,7927448%
Oakdale, CA21,7965510%
Chillicothe, OH21,7483138%
Source: The Chillicothe, OH 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.