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Key findings

  • The highest monthly average temperature in Somerset for July is 77 degrees
  • The lowest monthly average temperature in Somerset for January is 23 degrees
  • The most monthly precipitation in Somerset occurs in June with 6.5 inches
  • The air quality index in Somerset is 22% better than the national average
  • The pollution index in Somerset is 84% worse than the national average

Compare Des Moines, IA Weather

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      Somerset 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
      January14°F35°F23°F0.9"
      February17°F39°F26°F1.2"
      March30°F54°F41°F2.2"
      April41°F67°F53°F4.9"
      May51°F76°F63°F4.9"
      June62°F86°F74°F6.5"
      July66°F89°F77°F4.2"
      August64°F87°F75°F5.1"
      September56°F81°F68°F3.7"
      October43°F68°F55°F3.2"
      November31°F54°F42°F1.8"
      December18°F38°F27°F2.1"

      Somerset 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.
      IndexSomersetDes MoinesIowa
      Air quality index393939
      Pollution index9,310,1609,310,1601,643,836

      Somerset air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality306
      Days with moderate air quality59
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Somerset air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.110%
      Carbon Tetrachloride0.080%
      Lead0.030%
      Mercury0.010%

      Average monthly Somerset temperature with heat index

      Somerset monthly precipitation with daily maximum

      Somerset monthly snow depth with daily maximum

      Somerset monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Altoona, IA16,6923922%
      Pleasant Hill, IA9,4063922%
      Windsor Heights, IA4,9803922%
      Johnston, IA19,4913922%
      Grimes, IA10,4223922%
      Des Moines, IA212,8593922%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Birmingham, AL212,424536%
      Spokane, WA212,0784314%
      San Bernardino, CA214,5818978%
      Rochester, NY210,2913726%
      Richmond, VA216,7734412%
      Des Moines, IA212,8593922%
      Source: The Somerset, Des Moines, 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.