TODAY NOV21
TEMPERATURE34
HUMIDITY92
PRESSURE100640
WIND COND.290 37.1
  • 4429Fri
  • 4332Sat
  • 5036Sun
  • 4320Mon
  • 3521Tue
daynightWeather update from Albertus Airport at
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Weather Quick Facts

  • The highest monthly average temperature in German Valley for July is 71.8 degrees
  • The lowest monthly average temperature in German Valley for January is 21.7 degrees
  • The most monthly precipitation in German Valley occurs in August with 7.3 inches
  • The air quality index in German Valley is equal to the national average
  • The pollution index in German Valley is 35% better than the national average

Compare German Valley, IL Weather

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      German Valley 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°F30°F22°F2.9"
      February15°F31°F23°F2.3"
      March29°F47°F37°F3.6"
      April38°F61°F48°F5.4"
      May49°F72°F60°F5.5"
      June58°F80°F69°F6.3"
      July62°F82°F72°F5.8"
      August60°F81°F70°F7.3"
      September52°F75°F63°F4.7"
      October42°F62°F51°F5.8"
      November30°F48°F39°F4.0"
      December19°F33°F26°F3.4"

      German Valley 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.
      IndexGerman ValleyIllinoisNational
      Air quality index424142
      Pollution index1,767,9803,148,6942,726,193

      German Valley air quality

      MeasurementTotal
      Days measured341
      Days with good air quality240
      Days with moderate air quality100
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.001%
      Benzene0.040%
      Carbon Tetrachloride0.010%
      Lead0.001%
      Mercury0.003%

      Average monthly German Valley temperature with heat index

      German Valley monthly precipitation with daily maximum

      German Valley monthly snow depth with daily maximum

      German Valley monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Leaf River, IL5104216.0%
      Dakota, IL7214216.0%
      Rock City, IL3544216.0%
      Adeline, IL994216.0%
      Mount Morris, IL3,1824216.0%
      German Valley, IL5654216.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Carnelian Bay, CA5654412.0%
      Mountain View, CO5655816.0%
      Etna Green, IN5653726.0%
      Richmond, LA5653432.0%
      Mountain Lake, NJ5653432.0%
      German Valley, IL5654216.0%
      Source: The German Valley, 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.