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Key findings

  • The highest monthly average temperature in Welton for July is 73 degrees
  • The lowest monthly average temperature in Welton for January is 21 degrees
  • The most monthly precipitation in Welton occurs in August with 9.8 inches
  • The air quality index in Welton is 16% better than the national average
  • The pollution index in Welton is 69% better than the national average

Compare Welton, IA Weather

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      Welton 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
      January13°F31°F21°F2.9"
      February15°F33°F23°F2.6"
      March29°F49°F38°F4.2"
      April39°F62°F50°F6.5"
      May51°F74°F61°F6.2"
      June61°F82°F71°F7.9"
      July64°F84°F73°F6.6"
      August61°F82°F71°F9.8"
      September53°F76°F64°F6.2"
      October42°F64°F52°F6.1"
      November30°F50°F39°F4.3"
      December19°F34°F26°F4.0"

      Welton 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.
      IndexWeltonIowaNational
      Air quality index423950
      Pollution index1,592,9101,643,8365,066,862

      Welton air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality268
      Days with moderate air quality96
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Welton air quality information

      PollutantTotal
      Arsenic0.090%
      Benzene0.030%
      Carbon Tetrachloride0.000%
      Lead0.010%
      Mercury0.010%

      Average monthly Welton temperature with heat index

      Welton monthly precipitation with daily maximum

      Welton monthly snow depth with daily maximum

      Welton monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Miles, IA4104216%
      DeWitt, IA5,2644216%
      Goose Lake, IA2754216%
      Preston, IA1,0374216%
      Charlotte, IA4044216%
      Welton, IA1514216%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Grafton, NE1511962%
      Glenbrook, NV1514118%
      Lovelaceville, KY1514412%
      West Sunbury, PA1513138%
      Rudyard, MT1512158%
      Welton, IA1514216%
      Source: The Welton, 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.