TODAY MAY29
TEMPERATURE68
HUMIDITY49
PRESSURE30.12
WIND COND.320 13.9
  • 7053Sat
  • 7059Sun
  • 8068Mon20%
  • 8970Tue
  • 8868Wed30%
daynightWeather update from Knoxville at
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Knoxville 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
January16°F33°F24°F0.5"
February18°F36°F26°F1.3"
March31°F52°F40°F7.8"
April41°F65°F52°F9.4"
May52°F74°F62°F8.4"
June62°F84°F72°F5.7"
July65°F87°F76°F6.6"
August63°F84°F73°F4.1"
September55°F79°F66°F7.3"
October43°F66°F54°F4.3"
November32°F52°F41°F2.7"
December20°F37°F28°F3.3"

Did you know?

  • The highest monthly average temperature in Knoxville for July is 76 degrees.
  • The lowest monthly average temperature in Knoxville for January is 24 degrees.
  • The most monthly precipitation in Knoxville occurs in April with 9.4 inches.
  • The air quality index in Knoxville is 18% better than the national average.
  • The pollution index in Knoxville is 71% better than the national average.

Compare Knoxville, IA Weather To Other Cities

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      Knoxville 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.
      IndexKnoxvilleIowaNational
      Air quality index413950
      Pollution index1,478,7001,643,8365,066,862

      Knoxville air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality267
      Days with moderate air quality98
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Knoxville air quality information

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

      Average monthly Knoxville temperature with heat index

      Knoxville monthly precipitation with daily maximum

      Knoxville monthly snow depth with daily maximum

      Knoxville monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Bussey, IA5784118%
      Lovilia, IA6004118%
      Pella, IA10,2804118%
      Swan, IA694118%
      Hamilton, IA1124118%
      Knoxville, IA7,2364118%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Celina, TX7,236548%
      Etowah, NC7,2374020%
      Lampasas, TX7,2383628%
      Milton, WA7,239492%
      Lake Lorraine, FL7,2333138%
      Knoxville, IA7,2364118%
      Source: The Knoxville, 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.