TODAY MAY27
TEMPERATURE66
HUMIDITY100
PRESSURE29.88
WIND COND.360 6.9
  • 7752Thu40%
  • 7453Fri
  • 6854Sat20%20%
  • 7159Sun30%
  • 8266Mon
daynightWeather update from Atlantic at
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Lewis 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 Lewis for July is 78 degrees.
  • The lowest monthly average temperature in Lewis for January is 24 degrees.
  • The most monthly precipitation in Lewis occurs in August with 6.1 inches.
  • The air quality index in Lewis is 3% better than the national average.
  • The pollution index in Lewis is 93% better than the national average.

Compare Lewis, IA Weather To Other Cities

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      Lewis 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.
      IndexLewisIowaNational
      Air quality index483950
      Pollution index338,7731,643,8365,066,862

      Lewis 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

      Lewis air quality information

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

      Average monthly Lewis temperature with heat index

      Lewis monthly precipitation with daily maximum

      Lewis monthly snow depth with daily maximum

      Lewis monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Avoca, IA1,478484%
      Griswold, IA1,176484%
      Wiota, IA86484%
      Cumberland, IA250484%
      Hancock, IA193484%
      Lewis, IA553484%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Pitkin, LA553435770%
      Newton Grove, NC5534020%
      Middleville, NY5533432%
      Wellsburg, NY553285470%
      Weippe, ID5533138%
      Lewis, IA553484%
      Source: The Lewis, 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.