TODAY NOV07
TEMPERATURE37
HUMIDITY97
PRESSURE102810
WIND COND.
  • 5838Fri
  • 5444Sat80%
  • 5541Sun40%
  • 5837
  • 6047Tue30%
daynightWeather update from Prairie Du Chien Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Clayton for July is 72.7 degrees
  • The lowest monthly average temperature in Clayton for January is 20.7 degrees
  • The most monthly precipitation in Clayton occurs in June with 8 inches
  • The air quality index in Clayton is 31% better than the national average
  • The pollution index in Clayton is 30% better than the national average

Compare Clayton, IA Weather

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      Clayton 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°F21°F1.4"
      February14°F32°F22°F1.1"
      March28°F47°F37°F2.8"
      April39°F61°F49°F4.6"
      May50°F72°F60°F5.1"
      June60°F80°F69°F8.0"
      July63°F84°F73°F5.2"
      August61°F82°F71°F5.1"
      September54°F76°F63°F4.2"
      October43°F63°F52°F4.1"
      November31°F49°F39°F3.2"
      December18°F33°F26°F3.2"

      Clayton 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.
      IndexClaytonIowaNational
      Air quality index293942
      Pollution index1,904,1201,154,5352,726,193

      Clayton air quality

      MeasurementTotal
      Days measured365
      Days with good air quality304
      Days with moderate air quality60
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.040%
      Benzene0.020%
      Carbon Tetrachloride0.001%
      Lead0.010%
      Mercury0.050%

      Average monthly Clayton temperature with heat index

      Clayton monthly precipitation with daily maximum

      Clayton monthly snow depth with daily maximum

      Clayton monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Garnavillo, IA8152942.0%
      Monona, IA1,6392942.0%
      Farmersburg, IA3712942.0%
      Bloomington, WI7352942.0%
      Elkader, IA1,3622942.0%
      Clayton, IA682942.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Ekwok, AK683138.0%
      Union Grove, AL684412.0%
      Anthonyville, AR684510.0%
      Marie, AR684510.0%
      Keddie, CA68468.0%
      Clayton, IA682942.0%
      Source: The Clayton, 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.