TODAY NOV22
TEMPERATURE30
HUMIDITY93
PRESSURE100950
WIND COND.260 13
  • 4339Fri20%50%
  • 4932Sat
  • 5238Sun
  • 5834Mon30%70%
  • 4627Tue
daynightWeather update from Chillicothe Ross County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Adelphi for August is 74.4 degrees
  • The lowest monthly average temperature in Adelphi for February is 27.1 degrees
  • The most monthly precipitation in Adelphi occurs in January with 7.5 inches
  • The air quality index in Adelphi is 41% better than the national average
  • The pollution index in Adelphi is 15% better than the national average

Compare Adelphi, OH Weather

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      Adelphi 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
      January25°F41°F33°F7.5"
      February18°F37°F27°F3.4"
      March32°F53°F41°F6.9"
      April39°F65°F51°F5.4"
      May47°F76°F61°F3.1"
      June59°F85°F72°F5.0"
      July61°F85°F73°F5.3"
      August63°F88°F74°F6.5"
      September52°F83°F66°F4.5"
      October46°F69°F56°F3.0"
      November33°F55°F44°F6.9"
      December24°F40°F32°F4.3"

      Adelphi 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.
      IndexAdelphiOhioNational
      Air quality index254042
      Pollution index2,306,0004,472,3862,726,193

      Adelphi air quality

      MeasurementTotal
      Days measured120
      Days with good air quality116
      Days with moderate air quality4
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Adelphi temperature with heat index

      Adelphi monthly precipitation with daily maximum

      Adelphi monthly snow depth with daily maximum

      Adelphi monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Rockbridge, OH472550.0%
      Laurelville, OH5252550.0%
      Sugar Grove, OH3632550.0%
      Hide-A-Way Hills, OH8332550.0%
      Kingston, OH9413824.0%
      Adelphi, OH3712550.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Farmersburg, IA3712942.0%
      Kendrick, ID3711080.0%
      New Point, IN3714118.0%
      Monterey, LA3713040.0%
      Bear Lake, MI3713628.0%
      Adelphi, OH3712550.0%
      Source: The Adelphi, 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.