TODAY JUL07
TEMPERATURE90
HUMIDITY59
PRESSURE29.98
WIND COND.210 13
  • 9271Wed
  • 8868Thu70%70%
  • 8866Fri60%
  • 8867Sat30%
  • 8565Sun
daynightWeather update from Chariton at

Key findings

  • The highest monthly average temperature in Promise City for July is 76 degrees
  • The lowest monthly average temperature in Promise City for February is 24 degrees
  • The most monthly precipitation in Promise City occurs in September with 10.8 inches
  • The air quality index in Promise City is 22% better than the national average
  • The pollution index in Promise City is 76% better than the national average

Compare Promise City, IA Weather

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      Promise City 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°F36°F24°F1.5"
      February15°F35°F24°F2.3"
      March30°F51°F39°F3.5"
      April41°F65°F52°F8.7"
      May52°F74°F62°F7.1"
      June62°F83°F72°F5.9"
      July66°F87°F76°F7.3"
      August63°F84°F72°F7.4"
      September54°F77°F64°F10.8"
      October43°F66°F53°F4.9"
      November30°F50°F39°F4.4"
      December22°F39°F30°F4.0"

      Promise City 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.
      IndexPromise CityIowaNational
      Air quality index393950
      Pollution index1,228,2101,643,8365,066,862

      Promise City 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

      Promise City air quality information

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

      Average monthly Promise City temperature with heat index

      Promise City monthly precipitation with daily maximum

      Promise City monthly snow depth with daily maximum

      Promise City monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Centerville, IA5,4043922%
      Mystic, IA3633922%
      Seymour, IA6563922%
      Cincinnati, IA3143922%
      Numa, IA693922%
      Promise City, IA983922%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Swanton, NE983138%
      Frankfort, SD982060%
      Ravinia, SD983628%
      Sardis, KY984216%
      Sidney, IN983138%
      Promise City, IA983922%
      Source: The Promise City, 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.