TODAY MAR19
TEMPERATURE
HUMIDITY
PRESSURE102000
WIND COND.
  • 6333Tue
  • 6234Wed
  • 6736Thu
  • 6437Fri
  • 6639Sat
daynightWeather update from Broomfield / Jeffco at
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Weather Quick Facts

  • The highest monthly average temperature in Denver for July is 73.1 degrees
  • The lowest monthly average temperature in Denver for December is 29.8 degrees
  • The most monthly precipitation in Denver occurs in September with 5.7 inches
  • The air quality index in Denver is 38% worse than the national average
  • The pollution index in Denver is 262% worse than the national average

Compare Denver, CO Weather

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      Denver 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"

      Denver 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.
      IndexDenverColoradoNational
      Air quality index583842
      Pollution index9,869,2402,068,3422,726,193

      Denver air quality information

      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

      Denver air quality information

      PollutantTotal
      Arsenic0.060%
      Benzene0.140%
      Carbon Tetrachloride0.000%
      Lead0.030%
      Mercury0.030%

      Average monthly Denver temperature with heat index

      Denver monthly precipitation with daily maximum

      Denver monthly snow depth with daily maximum

      Denver monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Broomfield, CO69,444476.0%
      Eldorado Springs, CO325476.0%
      Superior, CO13,292476.0%
      Lakeside, CO65816.0%
      Twin Lakes, CO7,5525816.0%
      Denver, CO715,8785816.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Washington, DC701,974476.0%
      Brampton, ON735,754n/a 
      Vancouver, BC694,440n/a 
      Seattle, WA741,2514510.0%
      Boston, MA689,3264314.0%
      Denver, CO715,8785816.0%
      Source: The Denver, 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.