TODAY SEP19
TEMPERATURE68
HUMIDITY100
PRESSURE29.99
WIND COND.
  • 9166Thu
  • 7247Fri40%
  • 7150Sat
  • 7658Sun
  • 7760Mon20%30%
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 19% better than the national average.
  • The pollution index in Salem is 90% better than the national average.

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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.
Donnellson, IA8604020%
Houghton, IA1524020%
New London, IA1,9454020%
West Point, IA1,0204020%
Farmington, IA9614020%
Salem, IA5514020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Scio, NY5513040%
Essex, MO5513628%
Wibaux, MT5513432%
Ponce de Leon, FL5513726%
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.