TODAY NOV24
TEMPERATURE42
HUMIDITY67
PRESSURE101020
WIND COND.120 16.6
  • 5431Sun
  • 3819Mon
  • 3825Tue
  • 4023Wed20%
  • 3616
daynightWeather update from Des Moines International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Winterset for July is 77.4 degrees
  • The lowest monthly average temperature in Winterset for January is 23.5 degrees
  • The most monthly precipitation in Winterset occurs in June with 6.5 inches
  • The air quality index in Winterset is 7% better than the national average
  • The pollution index in Winterset is 51% better than the national average

Compare Winterset, IA Weather

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      Winterset 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"

      Winterset 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.
      IndexWintersetIowaNational
      Air quality index393942
      Pollution index1,337,3801,154,5352,726,193

      Winterset air quality

      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

      Air quality details

      PollutantTotal
      Arsenic0.040%
      Benzene0.010%
      Carbon Tetrachloride0.002%
      Lead0.190%
      Mercury0.160%

      Average monthly Winterset temperature with heat index

      Winterset monthly precipitation with daily maximum

      Winterset monthly snow depth with daily maximum

      Winterset monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      De Soto, IA9873922.0%
      Van Meter, IA1,3863922.0%
      Macksburg, IA973922.0%
      Patterson, IA2423922.0%
      Dexter, IA5643922.0%
      Winterset, IA5,3093922.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Sunset, UT5,3094510.0%
      Tillamook, OR5,3083236.0%
      Colona, IL5,307468.0%
      Richlands, VA5,3114510.0%
      Country Knolls, NY5,3063726.0%
      Winterset, IA5,3093922.0%
      Source: The Winterset, 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.