TODAY NOV23
TEMPERATURE42
HUMIDITY89
PRESSURE100710
WIND COND.280 16.6
  • 4536Sat30%
  • 4938Sun
  • 5639Mon30%90%
  • 4626Tue70%
  • 4230Wed
daynightWeather update from Wheeling, Wheeling Ohio County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in St. Clairsville for July is 72.8 degrees
  • The lowest monthly average temperature in St. Clairsville for January is 29.6 degrees
  • The most monthly precipitation in St. Clairsville occurs in June with 4.5 inches
  • The air quality index in St. Clairsville is 7% better than the national average
  • The pollution index in St. Clairsville is 485% worse than the national average

Compare St. Clairsville, OH Weather

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      St. Clairsville 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
      January22°F38°F30°F2.9"
      February23°F40°F30°F2.0"
      March32°F52°F41°F3.5"
      April42°F65°F53°F3.3"
      May51°F73°F62°F4.2"
      June59°F80°F69°F4.5"
      July63°F84°F73°F3.6"
      August62°F83°F72°F3.9"
      September55°F77°F65°F3.3"
      October45°F65°F54°F3.6"
      November35°F54°F44°F2.6"
      December27°F43°F34°F3.6"

      St. Clairsville 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.
      IndexSt. ClairsvilleOhioNational
      Air quality index394042
      Pollution index15,941,0004,472,3862,726,193

      St. Clairsville air quality

      MeasurementTotal
      Days measured365
      Days with good air quality318
      Days with moderate air quality47
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.070%
      Benzene0.010%
      Carbon Tetrachloride0.002%
      Lead0.030%
      Mercury1.030%

      Average monthly St. Clairsville temperature with heat index

      St. Clairsville monthly precipitation with daily maximum

      St. Clairsville monthly snow depth with daily maximum

      St. Clairsville monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      New Athens, OH3273922.0%
      Wheeling, WV27,0463922.0%
      Windsor Heights, WV4123922.0%
      Smithfield, OH8273922.0%
      Bellaire, OH4,0573922.0%
      St. Clairsville, OH5,0803922.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Monee, IL5,0805510.0%
      Chesterbrook, PA5,080512.0%
      Berkeley, IL5,0795510.0%
      Shanor-Northvue, PA5,0793138.0%
      Bristol, WI5,0793922.0%
      St. Clairsville, OH5,0803922.0%
      Source: The St. Clairsville, 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.