TODAY AUG16
TEMPERATURE77
HUMIDITY89
PRESSURE29.89
WIND COND.50 3.4
  • 8263Thu50%30%
  • 8462Fri20%
  • 8565Sat
  • 8264Sun20%70%
  • 7959Mon40%30%
daynightWeather update from Atlantic at

Griswold Average Weather

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"

Did you know?

  • The highest monthly average temperature in Griswold for July is 78 degrees.
  • The lowest monthly average temperature in Griswold for January is 24 degrees.
  • The most monthly precipitation in Griswold occurs in August with 6.1 inches.
  • The air quality index in Griswold is 3% better than the national average.
  • The pollution index in Griswold is 93% better than the national average.

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Compare Griswold, IA Weather To Other Cities

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 index483950
Pollution index338,7731,643,8365,066,862

Griswold air quality information

MeasurementTotal
Days measured365
Days with good air quality197
Days with moderate air quality164
Days w/ poor A.Q. for sensitive groups4
Days with unhealthy air quality

Griswold air quality information

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

City, StatePopulationAir Quality IndexNational Avg.
Elliott, IA472484%
Lewis, IA553484%
Wiota, IA86484%
Atlantic, IA6,817484%
Emerson, IA525484%
Griswold, IA1,176484%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Cleveland, AL1,1763530%
Vander, NC1,1763726%
Kensington, NY1,176536%
Castanea, PA1,1773138%
Pocono Springs, PA1,1774020%
Griswold, IA1,176484%
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.