TODAY NOV22
TEMPERATURE27
HUMIDITY100
PRESSURE102200
WIND COND.310 16.6
  • 4024Fri
  • 4634Sat
  • 4820Sun
  • 3115Mon
  • 3316Tue
daynightWeather update from Storm Lake at
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Weather Quick Facts

  • The highest monthly average temperature in Galva for July is 74 degrees
  • The lowest monthly average temperature in Galva for January is 20.5 degrees
  • The most monthly precipitation in Galva occurs in May with 5.8 inches
  • The air quality index in Galva is 17% better than the national average
  • The pollution index in Galva is 72% better than the national average

Compare Galva, IA Weather

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      Galva 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
      January13°F29°F20°F0.2"
      February14°F31°F22°F2.0"
      March29°F47°F36°F0.7"
      April39°F61°F49°F3.9"
      May50°F73°F61°F5.8"
      June61°F82°F71°F2.9"
      July64°F85°F74°F2.8"
      August62°F81°F70°F2.6"
      September54°F76°F64°F2.7"
      October42°F62°F51°F1.9"
      November29°F49°F37°F0.9"
      December17°F32°F24°F3.5"

      Galva 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.
      IndexGalvaIowaNational
      Air quality index353942
      Pollution index769,6971,154,5352,726,193

      Galva air quality

      MeasurementTotal
      Days measured364
      Days with good air quality322
      Days with moderate air quality42
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.002%
      Mercury0.000%

      Average monthly Galva temperature with heat index

      Galva monthly precipitation with daily maximum

      Galva monthly snow depth with daily maximum

      Galva monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Ida Grove, IA1,9293530.0%
      Lakeside, IA9903530.0%
      Holstein, IA1,3703530.0%
      Aurelia, IA8923530.0%
      Odebolt, IA8663530.0%
      Galva, IA4203530.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      River Pines, CA420524.0%
      Victor, CA4204510.0%
      Blanca, CO4201668.0%
      Casey, IA4203922.0%
      Bloomingdale, IN4204510.0%
      Galva, IA4203530.0%
      Source: The Galva, 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.