TODAY MAY08
TEMPERATURE75
HUMIDITY22
PRESSURE29.84
WIND COND.100 7.6
  • 7139Sat50%
  • 5337Sun20%80%
  • 4333Mon80%90%
  • 4933Tue
  • 6340Wed
daynightWeather update from Broomfield / Jeffco at

Key findings

  • The highest monthly average temperature in Morrison for July is 72.9 degrees
  • The lowest monthly average temperature in Morrison for December is 30.2 degrees
  • The most monthly precipitation in Morrison occurs in July with 2.3 inches
  • The air quality index in Morrison is 17% worse than the national average
  • The pollution index in Morrison is 64% better than the national average

Compare Morrison, CO Weather

      vs
      How would you rate the weather in Morrison?
      Write a review to give others more information about this area.
      How would you rate the air quality in Morrison?
      Write a review to give others more information about this area.
      See all Morrison poll results

      Morrison 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
      January19°F46°F32°F0.5"
      February20°F48°F33°F0.5"
      March28°F58°F42°F0.9"
      April33°F63°F47°F2.0"
      May42°F70°F55°F2.3"
      June53°F85°F68°F2.0"
      July59°F88°F73°F2.3"
      August57°F86°F71°F2.1"
      September49°F79°F63°F1.7"
      October37°F67°F51°F1.3"
      November28°F58°F41°F0.4"
      December18°F45°F30°F0.5"

      Morrison 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.
      IndexMorrisonColoradoNational
      Air quality index583850
      Pollution index1,837,2902,034,6195,066,862

      Morrison 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

      Morrison air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.030%
      Carbon Tetrachloride0.001%
      Lead0.010%
      Mercury0.002%

      Average monthly Morrison temperature with heat index

      Morrison monthly precipitation with daily maximum

      Morrison monthly snow depth with daily maximum

      Morrison monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Floyd Hill, CO1,063476%
      Upper Bear Creek, CO1,227476%
      Thornton, CO130,5115816%
      Evergreen, CO8,5805816%
      Indian Hills, CO1,3355816%
      Morrison, CO3665816%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Achille, OK366325550%
      Toone, TN3662746%
      Christine, TX366492%
      Hewlett Bay Park, NY366512%
      Grand View-on-Hudson, NY366512%
      Morrison, CO3665816%
      Source: The Morrison, 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.