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Irwin 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"

Did you know?

  • The highest monthly average temperature in Irwin for July is 78 degrees.
  • The lowest monthly average temperature in Irwin for January is 24 degrees.
  • The most monthly precipitation in Irwin occurs in August with 6.1 inches.
  • The air quality index in Irwin is 3% better than the national average.
  • The pollution index in Irwin is 89% better than the national average.

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Irwin 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.
IndexIrwinIowaNational
Air quality index483950
Pollution index517,6911,643,8365,066,862

Irwin 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

Irwin air quality information

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

Average monthly Irwin temperature with heat index

Irwin monthly precipitation with daily maximum

Irwin monthly snow depth with daily maximum

Irwin monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Halbur, IA2433726%
Templeton, IA3843726%
Audubon, IA2,043484%
Dow City, IA463484%
Kirkman, IA65484%
Irwin, IA328484%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Reddick, IL328198%
Arpin, WI3283628%
Meadow Bridge, WV328295490%
Whiteash, IL3283922%
Poland, NY3283432%
Irwin, IA328484%
Source: The Irwin, 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.