TODAY OCT03
TEMPERATURE45
HUMIDITY80
PRESSURE101560
WIND COND.50 13
  • 7248Fri
  • 8551Sat
  • 7039Sun
  • 7240Mon
  • 7644Tue
daynightWeather update from Mason City Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Chapin for July is 72.5 degrees
  • The lowest monthly average temperature in Chapin for January is 16.7 degrees
  • The most monthly precipitation in Chapin occurs in June with 5.4 inches
  • The air quality index in Chapin is 64% better than the national average
  • The pollution index in Chapin is 63% better than the national average

Compare Chapin, IA Weather

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      Chapin 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
      January9°F25°F17°F0.7"
      February11°F29°F20°F1.1"
      March25°F44°F34°F2.2"
      April36°F60°F47°F5.1"
      May48°F71°F59°F5.0"
      June58°F81°F69°F5.4"
      July61°F84°F72°F4.2"
      August59°F82°F70°F4.0"
      September51°F76°F62°F4.3"
      October38°F62°F49°F2.7"
      November26°F47°F36°F1.5"
      December13°F29°F21°F1.4"

      Chapin 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.
      IndexChapinIowaNational
      Air quality index153942
      Pollution index1,013,9601,154,5352,726,193

      Chapin air quality

      MeasurementTotal
      Days measured118
      Days with good air quality118
      Days with moderate air quality0
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Chapin temperature with heat index

      Chapin monthly precipitation with daily maximum

      Chapin monthly snow depth with daily maximum

      Chapin monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Swaledale, IA1321570.0%
      Rockford, IA8271570.0%
      Dows, IA5291570.0%
      Latimer, IA7881570.0%
      Thornton, IA4731570.0%
      Chapin, IA1621570.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Beatrice, AL162524.0%
      Colburn, IN1624216.0%
      Tampa, KS1622256.0%
      Nebo, KY1624314.0%
      Alpha, MN1623236.0%
      Chapin, IA1621570.0%
      Source: The Chapin, 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.