TODAY NOV21
TEMPERATURE36
HUMIDITY60
PRESSURE101970
WIND COND.290 33.5
  • 4426Fri
  • 4937Sat
  • 5731Sun
  • 4020Mon
  • 3721Tue
daynightWeather update from Centerville Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Promise City for July is 75.8 degrees
  • The lowest monthly average temperature in Promise City for February is 23.7 degrees
  • The most monthly precipitation in Promise City occurs in September with 10.8 inches
  • The air quality index in Promise City is 7% better than the national average
  • The pollution index in Promise City is 55% 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 index393942
      Pollution index1,228,2101,154,5352,726,193

      Promise City 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 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

      CityPopulationAir Quality IndexNational Avg.
      Centerville, IA5,4333922.0%
      Plano, IA543922.0%
      Rathbun, IA413922.0%
      Cincinnati, IA2683922.0%
      Seymour, IA5213922.0%
      Promise City, IA723922.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      New Blaine, AR723628.0%
      Seba Dalkai, AZ724510.0%
      Mabie, CA724412.0%
      Smeltertown, CO721668.0%
      Ranger, GA724314.0%
      Promise City, IA723922.0%
      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.