TODAY OCT08
TEMPERATURE
HUMIDITY
PRESSURE102440
WIND COND.
  • 8151Tue
  • 8151Wed
  • 8352Thu
  • 8050Fri
  • 8248Sat
daynightWeather update from Broomfield / Jeffco at
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Weather Quick Facts

  • The highest monthly average temperature in Arvada for July is 73.1 degrees
  • The lowest monthly average temperature in Arvada for December is 29.8 degrees
  • The most monthly precipitation in Arvada occurs in September with 5.7 inches
  • The air quality index in Arvada is 38% worse than the national average
  • The pollution index in Arvada is 93% better than the national average

Compare Arvada, CO Weather

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      Arvada 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
      January21°F45°F31°F1.8"
      February22°F46°F32°F2.0"
      March30°F58°F42°F2.1"
      April35°F63°F47°F4.0"
      May44°F70°F55°F5.2"
      June54°F84°F68°F4.6"
      July60°F89°F73°F5.7"
      August59°F87°F71°F4.5"
      September51°F79°F63°F5.7"
      October39°F67°F51°F4.1"
      November29°F56°F41°F2.2"
      December19°F44°F30°F2.9"

      Arvada 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.
      IndexArvadaColoradoNational
      Air quality index583842
      Pollution index200,8752,068,3422,726,193

      Arvada air quality

      MeasurementTotal
      Days measured365
      Days with good air quality91
      Days with moderate air quality252
      Days w/ poor A.Q. for sensitive groups20
      Days with unhealthy air quality2

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.003%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Arvada temperature with heat index

      Arvada monthly precipitation with daily maximum

      Arvada monthly snow depth with daily maximum

      Arvada monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Lafayette, CO27,952476.0%
      Eldorado Springs, CO325476.0%
      Louisville, CO19,342476.0%
      Superior, CO13,292476.0%
      Tall Timber, CO295476.0%
      Arvada, CO120,2295816.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      East Los Angeles, CA120,5047244.0%
      Ann Arbor, MI121,0934020.0%
      Allentown, PA121,1564216.0%
      Vallejo, CA121,2754020.0%
      Terrebonne, QC119,135n/a 
      Arvada, CO120,2295816.0%
      Source: The Arvada, 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.