TODAY FEB25
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.92 4.8
  • 4019Thu
  • 4120Fri
  • 3918Sat
  • 3917Sun
  • 4422Mon
daynightWeather update from MOCKINGBIRD at

Key findings

  • The highest monthly average temperature in Lewis for July is 73 degrees
  • The lowest monthly average temperature in Lewis for January is 25 degrees
  • The most monthly precipitation in Lewis occurs in August with 1.6 inches
  • The air quality index in Lewis is 12% better than the national average
  • The pollution index in Lewis is 87% better than the national average

Compare Lewis, CO Weather

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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
      January12°F41°F25°F1.2"
      February19°F49°F32°F1.0"
      March24°F59°F41°F0.5"
      April29°F67°F48°F0.8"
      May37°F76°F57°F0.8"
      June46°F89°F69°F0.3"
      July55°F92°F73°F1.4"
      August52°F88°F70°F1.6"
      September44°F81°F62°F1.5"
      October32°F69°F49°F1.0"
      November22°F56°F38°F0.7"
      December16°F43°F28°F1.1"

      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.
      IndexLewisColoradoNational
      Air quality index443850
      Pollution index639,5082,034,6195,066,862

      Lewis air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality276
      Days with moderate air quality89
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Lewis air quality information

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

      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.
      Cortez, CO8,6834412%
      Dolores, CO1,0744412%
      Lewis, CO1394412%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Theodosia, MO1391864%
      Smeltertown, CO1391668%
      Lancaster, VA1394412%
      Kemp, OK139325550%
      South Carrollton, KY1394314%
      Lewis, CO1394412%
      Source: The Lewis, CO 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.