TODAY NOV25
TEMPERATURE54
HUMIDITY67
PRESSURE101360
WIND COND.170 9.4
  • 4629Tue
  • 4535Wed70%
  • 422690%30%
  • 3518Fri
  • 3319Sat30%
daynightWeather update from Chillicothe Ross County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in South Salem for July is 73.5 degrees
  • The lowest monthly average temperature in South Salem for January is 29.6 degrees
  • The most monthly precipitation in South Salem occurs in June with 4.9 inches
  • The air quality index in South Salem is 10% better than the national average
  • The pollution index in South Salem is 73% better than the national average

Compare South Salem, OH Weather

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      South Salem 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°F3.0"
      February22°F40°F31°F2.8"
      March33°F53°F42°F4.5"
      April43°F66°F54°F4.5"
      May52°F75°F63°F4.1"
      June61°F83°F72°F4.9"
      July63°F85°F73°F4.0"
      August61°F84°F72°F3.3"
      September55°F79°F66°F3.3"
      October44°F67°F55°F4.1"
      November33°F55°F43°F3.3"
      December27°F43°F34°F3.9"

      South Salem 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.
      IndexSouth SalemOhioNational
      Air quality index384042
      Pollution index735,6564,472,3862,726,193

      South Salem air quality

      MeasurementTotal
      Days measured355
      Days with good air quality332
      Days with moderate air quality23
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.030%
      Carbon Tetrachloride0.000%
      Lead0.003%
      Mercury0.150%

      Average monthly South Salem temperature with heat index

      South Salem monthly precipitation with daily maximum

      South Salem monthly snow depth with daily maximum

      South Salem monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Frankfort, OH1,3143824.0%
      Greenfield, OH4,1843824.0%
      Clarksburg, OH5933824.0%
      Bourneville, OH2573824.0%
      Leesburg, OH1,4493824.0%
      South Salem, OH2213824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Newbern, AL2213530.0%
      Widener, AR2214510.0%
      Jeddito, AZ2211766.0%
      Conroy, IA2213922.0%
      Moorhead, IA2214020.0%
      South Salem, OH2213824.0%
      Source: The South Salem, 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.