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Posen 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
January18°F34°F26°F4.5"
February19°F35°F27°F3.6"
March31°F49°F39°F4.4"
April40°F62°F50°F5.4"
May50°F72°F60°F6.5"
June60°F81°F70°F5.8"
July64°F84°F74°F8.0"
August63°F82°F72°F7.5"
September56°F76°F65°F5.4"
October45°F64°F54°F6.2"
November33°F51°F42°F5.4"
December24°F38°F31°F3.8"

Did you know?

  • The highest monthly average temperature in Posen for July is 74 degrees.
  • The lowest monthly average temperature in Posen for January is 26 degrees.
  • The most monthly precipitation in Posen occurs in July with 8 inches.
  • The air quality index in Posen is 20% worse than the national average.
  • The pollution index in Posen is 69% better than the national average.

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Posen 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.
IndexPosenIllinoisNational
Air quality index604150
Pollution index1,558,0703,347,2955,066,862

Posen air quality information

MeasurementTotal
Days measured365
Days with good air quality72
Days with moderate air quality281
Days w/ poor A.Q. for sensitive groups11
Days with unhealthy air quality1

Posen air quality information

PollutantTotal
Arsenic0.010%
Benzene0.010%
Carbon Tetrachloride0.070%
Lead0.090%
Mercury0.010%

Average monthly Posen temperature with heat index

Posen monthly precipitation with daily maximum

Posen monthly snow depth with daily maximum

Posen monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Berwyn, IL56,4146020%
Burbank, IL29,0876020%
Calumet Park, IL8,3206020%
Clarendon Hills, IL8,6416020%
Crete, IL8,2156020%
Posen, IL6,2516020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Margate City, NJ6,2503628%
Lovejoy, GA6,252524%
South Monroe, MI6,254688%
Walker, LA6,256468%
Nibley, UT6,256476%
Posen, IL6,2516020%
Source: The Posen, IL 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.