TODAY MAY18
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 6547Tue50%30%
  • 6949Wed
  • 8053Thu
  • 7652Fri
  • 7351Sat
daynightWeather update from Broomfield / Jeffco at

Key findings

  • The highest monthly average temperature in Broomfield for July is 74.7 degrees
  • The lowest monthly average temperature in Broomfield for December is 29.7 degrees
  • The most monthly precipitation in Broomfield occurs in November with 2.6 inches
  • The air quality index in Broomfield is 5% better than the national average
  • The pollution index in Broomfield is 86% better than the national average

Compare Broomfield, CO Weather

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      Broomfield 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"

      Broomfield 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.
      IndexBroomfieldColoradoNational
      Air quality index473850
      Pollution index694,3832,034,6195,066,862

      Broomfield 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

      Broomfield air quality information

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

      Average monthly Broomfield temperature with heat index

      Broomfield monthly precipitation with daily maximum

      Broomfield monthly snow depth with daily maximum

      Broomfield monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Lafayette, CO27,053476%
      Superior, CO12,928476%
      Altona, CO386476%
      Erie, CO20,801476%
      Seven Hills, CO98476%
      Broomfield, CO62,449476%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Haverhill, MA62,3403726%
      Dundalk, MD62,337468%
      Council Bluffs, IA62,3264020%
      Bethesda, MD62,608476%
      Hamilton, OH62,259548%
      Broomfield, CO62,449476%
      Source: The Broomfield, 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.