TODAY APR23
TEMPERATURE50
HUMIDITY50
PRESSURE29.95
WIND COND.190 18.4
  • 5733Sat
  • 5746Sun30%20%
  • 7856Mon20%
  • 7551Tue70%
  • 6143Wed60%30%
daynightWeather update from Waterloo, Waterloo Municipal Airport at

Key findings

  • The highest monthly average temperature in Shell Rock for July is 73.7 degrees
  • The lowest monthly average temperature in Shell Rock for January is 18.7 degrees
  • The most monthly precipitation in Shell Rock occurs in June with 6.5 inches
  • The air quality index in Shell Rock is 22% better than the national average
  • The pollution index in Shell Rock is 80% better than the national average

Compare Shell Rock, IA Weather

      vs
      How would you rate the weather in Shell Rock?
      Write a review to give others more information about this area.
      How would you rate the air quality in Shell Rock?
      Write a review to give others more information about this area.
      See all Shell Rock poll results

      Shell Rock 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
      January9°F29°F19°F1.3"
      February11°F33°F22°F1.2"
      March25°F49°F36°F1.9"
      April36°F63°F49°F5.0"
      May47°F74°F60°F4.8"
      June58°F83°F71°F6.5"
      July61°F86°F74°F4.9"
      August58°F84°F71°F4.0"
      September51°F79°F64°F3.4"
      October39°F65°F51°F3.2"
      November27°F50°F38°F1.8"
      December14°F33°F23°F2.1"

      Shell Rock 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.
      IndexShell RockIowaNational
      Air quality index393950
      Pollution index1,013,9601,643,8365,066,862

      Shell Rock air quality information

      MeasurementTotal
      Days measured363
      Days with good air quality286
      Days with moderate air quality77
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Shell Rock air quality information

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

      Average monthly Shell Rock temperature with heat index

      Shell Rock monthly precipitation with daily maximum

      Shell Rock monthly snow depth with daily maximum

      Shell Rock monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Greene, IA1,1151570%
      Allison, IA1,2223922%
      Janesville, IA7953922%
      Waverly, IA10,0493922%
      Cedar Falls, IA40,8283922%
      Shell Rock, IA1,2543922%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Wildwood, TX1,2544510%
      Dexter, NM1,2541570%
      Clymer, PA1,2533824%
      University Heights, IA1,2553530%
      Lily Lake, IL1,2534216%
      Shell Rock, IA1,2543922%
      Source: The Shell Rock, 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.