TODAY AUG17
TEMPERATURE66
HUMIDITY96
PRESSURE29.99
WIND COND.310 4.7
  • 8363
  • 8665Sat
  • 8566Sun40%
  • 7661Mon70%50%
  • 7756Tue
daynightWeather update from Des Moines, Des Moines International Airport at

Grimes 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°F35°F23°F0.9"
February17°F39°F26°F1.2"
March30°F54°F41°F2.2"
April41°F67°F53°F4.9"
May51°F76°F63°F4.9"
June62°F86°F74°F6.5"
July66°F89°F77°F4.2"
August64°F87°F75°F5.1"
September56°F81°F68°F3.7"
October43°F68°F55°F3.2"
November31°F54°F42°F1.8"
December18°F38°F27°F2.1"

Did you know?

  • The highest monthly average temperature in Grimes for July is 77 degrees.
  • The lowest monthly average temperature in Grimes for January is 23 degrees.
  • The most monthly precipitation in Grimes occurs in June with 6.5 inches.
  • The air quality index in Grimes is 17% better than the national average.
  • The pollution index in Grimes is 83% worse than the national average.

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Compare Grimes, IA Weather To Other Cities

Grimes 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.
IndexGrimesIowaNational
Air quality index413950
Pollution index9,310,1601,643,8365,066,862

Grimes air quality information

MeasurementTotal
Days measured365
Days with good air quality267
Days with moderate air quality98
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Grimes air quality information

PollutantTotal
Arsenic0.010%
Benzene0.110%
Carbon Tetrachloride0.080%
Lead0.030%
Mercury0.010%

Average monthly Grimes temperature with heat index

Grimes monthly precipitation with daily maximum

Grimes monthly snow depth with daily maximum

Grimes monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Sheldahl, IA2493726%
Bouton, IA1613726%
Huxley, IA3,4743726%
Slater, IA1,6173726%
Alleman, IA4993726%
Grimes, IA10,4224118%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Sebring, FL10,4232844%
Wabash, IN10,4143236%
Greencastle, IN10,41350= 100
Fox Lake, IL10,4343530%
West Perrine, FL10,4354118%
Grimes, IA10,4224118%
Source: The Grimes, 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.