Current weather conditions temporarily unavailable!

Key findings

  • The highest monthly average temperature in Corydon for July is 75.8 degrees
  • The lowest monthly average temperature in Corydon for February is 23.7 degrees
  • The most monthly precipitation in Corydon occurs in September with 10.8 inches
  • The air quality index in Corydon is 22% better than the national average
  • The pollution index in Corydon is 97% better than the national average

Compare Corydon, IA Weather

      vs
      How would you rate the weather in Corydon?
      Write a review to give others more information about this area.
      How would you rate the air quality in Corydon?
      Write a review to give others more information about this area.
      See all Corydon poll results

      Corydon 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"

      Corydon 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.
      IndexCorydonIowaNational
      Air quality index393950
      Pollution index141,6341,643,8365,066,862

      Corydon 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

      Corydon air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.004%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Corydon temperature with heat index

      Corydon monthly precipitation with daily maximum

      Corydon monthly snow depth with daily maximum

      Corydon monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Clio, IA863922%
      Humeston, IA4003922%
      South Lineville, MO253922%
      Plano, IA593922%
      Le Roy, IA63922%
      Corydon, IA1,5443922%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Reese, MI1,5442648%
      Fosston, MN1,5443334%
      Oakland, IA1,5444020%
      Fort Montgomery, NY1,5443628%
      Caddo Mills, TX1,545512%
      Corydon, IA1,5443922%
      Source: The Corydon, 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.