TODAY DEC22
TEMPERATURE23
HUMIDITY86
PRESSURE102410
WIND COND.130 13
  • 4426Mon
  • 3929Tue
  • 4333
  • 4838Thu30%40%
  • 5139Fri30%30%
daynightWeather update from Centerville Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Seymour for July is 75.8 degrees
  • The lowest monthly average temperature in Seymour for February is 23.7 degrees
  • The most monthly precipitation in Seymour occurs in September with 10.8 inches
  • The air quality index in Seymour is 7% better than the national average
  • The pollution index in Seymour is 55% better than the national average

Compare Seymour, IA Weather

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      Seymour 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
      January15°F36°F24°F1.5"
      February15°F35°F24°F2.3"
      March30°F51°F39°F3.5"
      April41°F65°F52°F8.7"
      May52°F74°F62°F7.1"
      June62°F83°F72°F5.9"
      July66°F87°F76°F7.3"
      August63°F84°F72°F7.4"
      September54°F77°F64°F10.8"
      October43°F66°F53°F4.9"
      November30°F50°F39°F4.4"
      December22°F39°F30°F4.0"

      Seymour 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.
      IndexSeymourIowaNational
      Air quality index393942
      Pollution index1,228,2101,154,5352,726,193

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

      Average monthly Seymour temperature with heat index

      Seymour monthly precipitation with daily maximum

      Seymour monthly snow depth with daily maximum

      Seymour monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Cincinnati, IA2683922.0%
      Plano, IA543922.0%
      Rathbun, IA413922.0%
      Corydon, IA1,6593922.0%
      Promise City, IA723922.0%
      Seymour, IA5213922.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      McArthur, CA5214216.0%
      Hampton, FL5213530.0%
      Golf, IL5215510.0%
      Sun, LA5213040.0%
      Cousins Island, ME5214020.0%
      Seymour, IA5213922.0%
      Source: The Seymour, 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.