TODAY APR25
TEMPERATURE48
HUMIDITY56
PRESSURE102340
WIND COND.100 11.2
  • 6447Thu
  • 6357Fri100%100%
  • 7759Sat30%90%
  • 7248Sun100%90%
  • 6244Mon30%
daynightWeather update from Grinnell Municipal Airfield at
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Weather Quick Facts

  • The highest monthly average temperature in Gilman for July is 74.3 degrees
  • The lowest monthly average temperature in Gilman for January is 21.3 degrees
  • The most monthly precipitation in Gilman occurs in June with 7.8 inches
  • The air quality index in Gilman is 12% better than the national average
  • The pollution index in Gilman is 80% better than the national average

Compare Gilman, IA Weather

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      Gilman 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
      January14°F30°F21°F1.4"
      February17°F33°F24°F2.7"
      March31°F50°F39°F3.7"
      April40°F63°F50°F7.2"
      May52°F74°F62°F7.7"
      June62°F82°F72°F7.8"
      July65°F85°F74°F7.6"
      August63°F82°F72°F7.4"
      September54°F77°F64°F7.1"
      October43°F64°F53°F6.9"
      November32°F50°F40°F3.7"
      December20°F35°F27°F5.3"

      Gilman 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.
      IndexGilmanIowaNational
      Air quality index373942
      Pollution index534,7301,154,5352,726,193

      Gilman air quality information

      MeasurementTotal
      Days measured214
      Days with good air quality210
      Days with moderate air quality4
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Gilman air quality information

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

      Average monthly Gilman temperature with heat index

      Gilman monthly precipitation with daily maximum

      Gilman monthly snow depth with daily maximum

      Gilman monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Ferguson, IA1253726.0%
      Marshalltown, IA26,9573726.0%
      Laurel, IA1943726.0%
      Haverhill, IA1703726.0%
      Kellogg, IA6493922.0%
      Gilman, IA5433726.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Avon, AL5433530.0%
      St. Paul, KS5433824.0%
      Edmeston, NY5432746.0%
      Derby, OH543468.0%
      Waterford, OH5433530.0%
      Gilman, IA5433726.0%
      Source: The Gilman, 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.