TODAY APR20
TEMPERATURE36
HUMIDITY87
PRESSURE102640
WIND COND.20 5.4
  • 4230Sat70%
  • 6340Sun
  • 7338Mon
  • 6340Tue
  • 7446Wed
daynightWeather update from Vance Brand Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Lyons for July is 74.7 degrees
  • The lowest monthly average temperature in Lyons for December is 29.7 degrees
  • The most monthly precipitation in Lyons occurs in November with 2.6 inches
  • The air quality index in Lyons is 12% worse than the national average
  • The pollution index in Lyons is 82% worse than the national average

Compare Lyons, CO Weather

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      Lyons 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
      January18°F48°F32°F1.2"
      February21°F50°F34°F1.5"
      March30°F62°F44°F1.6"
      April36°F66°F49°F0.2"
      May43°F73°F57°F2.4"
      June54°F89°F71°F1.1"
      July59°F92°F75°F2.1"
      August56°F90°F72°F1.1"
      September49°F82°F64°F0.2"
      October38°F69°F52°F2.1"
      November28°F58°F41°F2.6"
      December17°F46°F30°F0.7"

      Lyons 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.
      IndexLyonsColoradoNational
      Air quality index473842
      Pollution index4,953,3802,068,3422,726,193

      Lyons air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality227
      Days with moderate air quality133
      Days w/ poor A.Q. for sensitive groups5
      Days with unhealthy air quality0

      Lyons air quality information

      PollutantTotal
      Arsenic0.040%
      Benzene0.050%
      Carbon Tetrachloride0.010%
      Lead0.100%
      Mercury0.070%

      Average monthly Lyons temperature with heat index

      Lyons monthly precipitation with daily maximum

      Lyons monthly snow depth with daily maximum

      Lyons monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Mead, CO4,9784510.0%
      Dakota Ridge, CO34,655476.0%
      Allenspark, CO464476.0%
      Gold Hill, CO195476.0%
      Pine Brook Hill, CO776476.0%
      Lyons, CO2,302476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Moore Haven, FL2,3023628.0%
      Leonardo, NJ2,302512.0%
      Trenton, GA2,303468.0%
      Lyman, MS2,3034216.0%
      Taylorsville, MS2,3033530.0%
      Lyons, CO2,302476.0%
      Source: The Lyons, 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.