TODAY DEC07
TEMPERATURE30
HUMIDITY64
PRESSURE101860
WIND COND.210 20.5
  • 5833Sun
  • 5123Mon
  • 3418Tue
  • 2715Wed
  • 3624Thu
daynightWeather update from Centerville Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Mystic for July is 74.9 degrees
  • The lowest monthly average temperature in Mystic for January is 23.5 degrees
  • The most monthly precipitation in Mystic occurs in June with 6.5 inches
  • The air quality index in Mystic is 7% better than the national average
  • The pollution index in Mystic is 55% better than the national average

Compare Mystic, IA Weather

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      Mystic 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
      January15°F33°F24°F0.7"
      February17°F36°F26°F1.1"
      March31°F52°F40°F2.3"
      April41°F65°F52°F4.7"
      May51°F74°F62°F5.0"
      June62°F83°F72°F6.5"
      July65°F86°F75°F4.5"
      August63°F84°F73°F5.2"
      September54°F78°F65°F3.7"
      October43°F65°F53°F3.0"
      November32°F52°F41°F2.0"
      December20°F36°F28°F1.9"

      Mystic 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.
      IndexMysticIowaNational
      Air quality index393942
      Pollution index1,228,2101,154,5352,726,193

      Mystic air quality

      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

      Air quality details

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

      Average monthly Mystic temperature with heat index

      Mystic monthly precipitation with daily maximum

      Mystic monthly snow depth with daily maximum

      Mystic monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Moulton, IA6402942.0%
      Exline, IA1443922.0%
      Promise City, IA723922.0%
      Udell, IA373922.0%
      Seymour, IA5213922.0%
      Mystic, IA3173922.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Gillsville, GA3173726.0%
      Maunaloa, HI3173040.0%
      Granville, IA3173530.0%
      Ute, IA3173530.0%
      East Carondelet, IL317548.0%
      Mystic, IA3173922.0%
      Source: The Mystic, 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.