TODAY APR14
TEMPERATURE36
HUMIDITY67
PRESSURE30.18
WIND COND.330 13
  • 5033Wed
  • 5538Thu
  • 5842Fri
  • 5641Sat
  • 5838Sun
daynightWeather update from Ottumwa, Ottumwa Industrial Airport at

Key findings

  • The highest monthly average temperature in Thornburg for July is 75 degrees
  • The lowest monthly average temperature in Thornburg for January is 24.4 degrees
  • The most monthly precipitation in Thornburg occurs in July with 7.8 inches
  • The air quality index in Thornburg is 30% better than the national average
  • The pollution index in Thornburg is 86% better than the national average

Compare Thornburg, IA Weather

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      Thornburg 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°F34°F24°F1.9"
      February17°F34°F25°F2.4"
      March31°F52°F40°F3.0"
      April41°F65°F52°F4.3"
      May53°F75°F63°F6.0"
      June62°F84°F72°F4.4"
      July65°F86°F75°F7.8"
      August63°F83°F72°F4.4"
      September54°F78°F65°F5.3"
      October44°F66°F53°F5.8"
      November32°F52°F41°F3.9"
      December21°F37°F28°F4.0"

      Thornburg 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.
      IndexThornburgIowaNational
      Air quality index353950
      Pollution index684,4641,643,8365,066,862

      Thornburg air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality278
      Days with moderate air quality86
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Thornburg air quality information

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

      Average monthly Thornburg temperature with heat index

      Thornburg monthly precipitation with daily maximum

      Thornburg monthly snow depth with daily maximum

      Thornburg monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Keomah Village, IA693530%
      Deep River, IA2523530%
      North English, IA1,1483530%
      What Cheer, IA7293530%
      Rose Hill, IA1603530%
      Thornburg, IA753530%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Miamiville, OH75548%
      Elk Falls, KS754020%
      Zinc, AR753628%
      Florence, IN75548%
      Emington, IL750100%
      Thornburg, IA753530%
      Source: The Thornburg, 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.