TODAY NOV07
TEMPERATURE37
HUMIDITY100
PRESSURE102878.48
WIND COND.
  • 5842Fri
  • 5240Sat80%30%
  • 5636Sun
  • 6137
  • 6240Tue
daynightWeather update from Atlantic at
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Weather Quick Facts

  • The highest monthly average temperature in Griswold for July is 78.2 degrees
  • The lowest monthly average temperature in Griswold for January is 23.9 degrees
  • The most monthly precipitation in Griswold occurs in August with 6.1 inches
  • The air quality index in Griswold is 5% better than the national average
  • The pollution index in Griswold is 88% better than the national average

Compare Griswold, IA Weather

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      Griswold 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°F37°F24°F0.6"
      February16°F41°F27°F0.9"
      March29°F56°F41°F1.5"
      April40°F67°F53°F3.8"
      May50°F77°F63°F5.2"
      June62°F87°F74°F4.9"
      July66°F91°F78°F3.1"
      August64°F88°F75°F6.1"
      September55°F82°F67°F3.7"
      October42°F69°F54°F3.0"
      November29°F55°F41°F1.0"
      December17°F39°F27°F1.7"

      Griswold 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.
      IndexGriswoldIowaNational
      Air quality index403942
      Pollution index338,7731,154,5352,726,193

      Griswold air quality

      MeasurementTotal
      Days measured365
      Days with good air quality283
      Days with moderate air quality82
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Griswold temperature with heat index

      Griswold monthly precipitation with daily maximum

      Griswold monthly snow depth with daily maximum

      Griswold monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Oakland, IA1,6654020.0%
      Marne, IA1314020.0%
      Macedonia, IA2144020.0%
      Carson, IA7304020.0%
      Emerson, IA4624020.0%
      Griswold, IA1,1794020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Pomona Park, FL1,1791766.0%
      Kellyville, OK1,1794510.0%
      Oceana, WV1,179295490.0%
      Vauxhall, AB1,179n/a 
      Duchess, AB1,179n/a 
      Griswold, IA1,1794020.0%
      Source: The Griswold, 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.