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Key findings

  • The highest monthly average temperature in Osceola for July is 76.6 degrees
  • The lowest monthly average temperature in Osceola for January is 26.1 degrees
  • The most monthly precipitation in Osceola occurs in September with 9.2 inches
  • The air quality index in Osceola is 22% better than the national average
  • The pollution index in Osceola is 86% better than the national average

Compare Osceola, IA Weather

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      Osceola 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
      January20°F34°F26°F2.9"
      February27°F47°F36°F2.2"
      March35°F56°F44°F8.3"
      April45°F65°F54°F4.8"
      May51°F73°F61°F6.4"
      June63°F87°F75°F4.8"
      July67°F88°F77°F8.0"
      August62°F84°F72°F5.8"
      September58°F81°F69°F9.2"
      October46°F69°F56°F8.5"
      November35°F56°F45°F4.1"
      December21°F36°F28°F2.6"

      Osceola 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.
      IndexOsceolaIowaNational
      Air quality index393950
      Pollution index376,1481,154,5352,726,193

      Osceola 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

      Osceola air quality information

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

      Average monthly Osceola temperature with heat index

      Osceola monthly precipitation with daily maximum

      Osceola monthly snow depth with daily maximum

      Osceola monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Le Roy, IA63922.0%
      Sun Valley Lake, IA2243922.0%
      Murray, IA6613922.0%
      Van Wert, IA1903922.0%
      East Peru, IA983922.0%
      Osceola, IA4,9923922.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Spirit Lake, IA4,9923236.0%
      Salisbury, MA4,9923726.0%
      Frankenmuth, MI4,9922648.0%
      New Lexington, OH4,9922550.0%
      Strathcona D (Oyster Bay - Buttle Lake), BC4,992n/a 
      Osceola, IA4,9923922.0%
      Source: The Osceola, 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.