TODAY MAY27
TEMPERATURE73
HUMIDITY89
PRESSURE29.9
WIND COND.170 8.1
  • 7456Thu70%80%
  • 7252Fri
  • 7154Sat
  • 7457Sun
  • 7864Mon
daynightWeather update from Mount Pleasant, Mount Pleasant Municipal Airport at
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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
January17°F34°F25°F0.7"
February18°F36°F26°F2.1"
March33°F53°F41°F4.1"
April43°F66°F53°F4.8"
May53°F75°F63°F6.2"
June63°F84°F73°F5.9"
July65°F86°F75°F5.6"
August63°F84°F73°F2.0"
September55°F79°F65°F4.1"
October44°F66°F54°F6.1"
November33°F51°F41°F3.3"
December22°F38°F30°F3.1"

Did you know?

  • The highest monthly average temperature in Salem for July is 75 degrees.
  • The lowest monthly average temperature in Salem for January is 25 degrees.
  • The most monthly precipitation in Salem occurs in May with 6.2 inches.
  • The air quality index in Salem is 20% better than the national average.
  • The pollution index in Salem is 91% better than the national average.

Compare Salem, IA Weather To Other Cities

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      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.
      IndexSalemIowaNational
      Air quality index403950
      Pollution index464,3331,643,8365,066,862

      Salem air quality information

      MeasurementTotal
      Days measured110
      Days with good air quality71
      Days with moderate air quality39
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Salem air quality information

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

      Average monthly Salem temperature with heat index

      Salem monthly precipitation with daily maximum

      Salem monthly snow depth with daily maximum

      Salem monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Denmark, IA2994020%
      Hillsboro, IA2284020%
      Stockport, IA2504020%
      Donnellson, IA8604020%
      Houghton, IA1524020%
      Salem, IA5514020%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Green Isle, MN5514412%
      Scio, NY5513040%
      Ponce de Leon, FL5513726%
      Essex, MO5513628%
      New Cuyama, CA5514412%
      Salem, IA5514020%
      Source: The Salem, 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.