TODAY MAR04
TEMPERATURE34
HUMIDITY75
PRESSURE30.28
WIND COND.80 20.5
  • 3922Fri
  • 4128Sat
  • 5035Sun
  • 5637Mon
  • 5846Tue30%
daynightWeather update from Oelwein, Oelwein Municipal Airport at

Key findings

  • The highest monthly average temperature in Stanley for July is 72 degrees
  • The lowest monthly average temperature in Stanley for January is 19 degrees
  • The most monthly precipitation in Stanley occurs in June with 5.1 inches
  • The air quality index in Stanley is 22% better than the national average
  • The pollution index in Stanley is 88% better than the national average

Compare Stanley, IA Weather

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      Stanley 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
      January12°F27°F19°F0.7"
      February13°F29°F21°F0.7"
      March29°F45°F36°F1.7"
      April39°F60°F48°F2.8"
      May50°F71°F60°F2.4"
      June60°F80°F70°F5.1"
      July62°F82°F72°F2.5"
      August60°F79°F69°F2.3"
      September53°F75°F63°F3.0"
      October42°F61°F50°F2.8"
      November29°F47°F37°F1.1"
      December17°F31°F24°F1.8"

      Stanley 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.
      IndexStanleyIowaNational
      Air quality index393950
      Pollution index586,1751,643,8365,066,862

      Stanley air quality information

      MeasurementTotal
      Days measured363
      Days with good air quality286
      Days with moderate air quality77
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Stanley air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.090%
      Mercury0.000%

      Average monthly Stanley temperature with heat index

      Stanley monthly precipitation with daily maximum

      Stanley monthly snow depth with daily maximum

      Stanley monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Dundee, IA2043922%
      Strawberry Point, IA1,3573922%
      Sumner, IA2,2053922%
      Independence, IA6,0053922%
      Lamont, IA4303922%
      Stanley, IA1143922%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Rohrsburg, PA1143530%
      Mainville, PA1143530%
      Washington, NE1144020%
      Swan Valley, ID1144314%
      Oberon, ND1143628%
      Stanley, IA1143922%
      Source: The Stanley, 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.