TODAY FEB26
TEMPERATURE28
HUMIDITY80
PRESSURE30.12
WIND COND.150 9.4
  • 5030Fri30%
  • 5332Sat30%
  • 4124Sun
  • 4327Mon
  • 5132Tue
daynightWeather update from Knoxville at

Key findings

  • The highest monthly average temperature in Hamilton for July is 76 degrees
  • The lowest monthly average temperature in Hamilton for January is 24 degrees
  • The most monthly precipitation in Hamilton occurs in April with 9.4 inches
  • The air quality index in Hamilton is 22% better than the national average
  • The pollution index in Hamilton is 71% better than the national average

Compare Hamilton, IA Weather

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      Hamilton 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"

      Hamilton 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.
      IndexHamiltonIowaNational
      Air quality index393950
      Pollution index1,478,7001,643,8365,066,862

      Hamilton 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

      Hamilton air quality information

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

      Average monthly Hamilton temperature with heat index

      Hamilton monthly precipitation with daily maximum

      Hamilton monthly snow depth with daily maximum

      Hamilton monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Bussey, IA5783922%
      Lovilia, IA6003922%
      Albia, IA3,7953922%
      Eddyville, IA1,2073922%
      Marysville, IA1033922%
      Hamilton, IA1123922%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Greenfield, OK112484%
      St. Paul, AR1124412%
      Bear Creek, CA112484%
      Eden, MS1124412%
      Crum, WV1124216%
      Hamilton, IA1123922%
      Source: The Hamilton, 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.