TODAY MAR01
TEMPERATURE27
HUMIDITY85
PRESSURE30.15
WIND COND.300 9.4
  • 4626Mon
  • 5931Tue
  • 5830Wed
  • 5832Thu
  • 5531Fri
daynightWeather update from Lamoni, Lamoni Municipal Airport at

Key findings

  • The highest monthly average temperature in Leon for July is 76 degrees
  • The lowest monthly average temperature in Leon for January is 24 degrees
  • The most monthly precipitation in Leon occurs in August with 10.2 inches
  • The air quality index in Leon is 22% better than the national average
  • The pollution index in Leon is 87% better than the national average

Compare Leon, IA Weather

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      Leon 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
      January17°F33°F24°F2.8"
      February20°F37°F27°F3.3"
      March33°F55°F43°F3.3"
      April42°F63°F51°F6.4"
      May53°F74°F63°F7.9"
      June63°F82°F72°F9.5"
      July66°F87°F76°F3.7"
      August67°F87°F76°F10.2"
      September57°F79°F67°F7.1"
      October46°F66°F55°F5.5"
      November32°F52°F41°F3.2"
      December18°F33°F25°F3.4"

      Leon 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.
      IndexLeonIowaNational
      Air quality index393950
      Pollution index648,8291,643,8365,066,862

      Leon 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

      Leon air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.002%
      Mercury0.000%

      Average monthly Leon temperature with heat index

      Leon monthly precipitation with daily maximum

      Leon monthly snow depth with daily maximum

      Leon monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Decatur City, IA2053922%
      Van Wert, IA1903922%
      Davis City, IA2083922%
      Garden Grove, IA1833922%
      Weldon, IA1813922%
      Leon, IA1,9953922%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Lynnwood-Pricedale, PA1,9955612%
      Shorewood Hills, WI1,9963922%
      Cedar Bluff, AL1,9943922%
      New California, OH1,996468%
      Hampton, IL1,996468%
      Leon, IA1,9953922%
      Source: The Leon, 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.