TODAY MAY12
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 6542Wed
  • 6646Thu20%
  • 6147Fri60%30%
  • 6750Sat30%30%
  • 6951Sun50%60%
daynightWeather update from Storm Lake at

Key findings

  • The highest monthly average temperature in Arthur for July is 74 degrees
  • The lowest monthly average temperature in Arthur for January is 20.5 degrees
  • The most monthly precipitation in Arthur occurs in May with 5.8 inches
  • The air quality index in Arthur is 30% better than the national average
  • The pollution index in Arthur is 90% better than the national average

Compare Arthur, IA Weather

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      Arthur 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
      January13°F29°F20°F0.2"
      February14°F31°F22°F2.0"
      March29°F47°F36°F0.7"
      April39°F61°F49°F3.9"
      May50°F73°F61°F5.8"
      June61°F82°F71°F2.9"
      July64°F85°F74°F2.8"
      August62°F81°F70°F2.6"
      September54°F76°F64°F2.7"
      October42°F62°F51°F1.9"
      November29°F49°F37°F0.9"
      December17°F32°F24°F3.5"

      Arthur 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.
      IndexArthurIowaNational
      Air quality index353950
      Pollution index517,6911,643,8365,066,862

      Arthur air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality322
      Days with moderate air quality42
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Arthur air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.002%
      Mercury0.000%

      Average monthly Arthur temperature with heat index

      Arthur monthly precipitation with daily maximum

      Arthur monthly snow depth with daily maximum

      Arthur monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Ida Grove, IA2,2033530%
      Early, IA6993530%
      Holstein, IA1,4163530%
      Odebolt, IA1,0163530%
      Nemaha, IA1003530%
      Arthur, IA2543530%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Hallwood, VA2543628%
      Reliance, SD2542060%
      Tygh Valley, OR2542354%
      Pemberton, MN2543628%
      Jugtown, MD2544020%
      Arthur, IA2543530%
      Source: The Arthur, 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.