TODAY DEC22
TEMPERATURE52
HUMIDITY22
PRESSURE101520
WIND COND.50 5.4
  • 4127Mon20%20%
  • 4326Tue
  • 382260%
  • 3825Thu
  • 3325Fri
daynightWeather update from Boulder Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Coal Creek for July is 74.7 degrees
  • The lowest monthly average temperature in Coal Creek for December is 29.7 degrees
  • The most monthly precipitation in Coal Creek occurs in November with 2.6 inches
  • The air quality index in Coal Creek is 12% worse than the national average
  • The pollution index in Coal Creek is 28% worse than the national average

Compare Coal Creek, CO Weather

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      Coal Creek 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"

      Coal Creek 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.
      IndexCoal CreekColoradoNational
      Air quality index473842
      Pollution index3,482,1502,068,3422,726,193

      Coal Creek air quality

      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

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.040%
      Carbon Tetrachloride0.004%
      Lead0.020%
      Mercury0.001%

      Average monthly Coal Creek temperature with heat index

      Coal Creek monthly precipitation with daily maximum

      Coal Creek monthly snow depth with daily maximum

      Coal Creek monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Louisville, CO19,342476.0%
      Niwot, CO4,085476.0%
      Floyd Hill, CO824476.0%
      Eldorado Springs, CO325476.0%
      Bark Ranch, CO107476.0%
      Coal Creek, CO2,605476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Wayne Heights, PA2,6054020.0%
      Trenton, IL2,604548.0%
      Alburtis, PA2,6044216.0%
      Chase, BC2,604n/a 
      South Oroville, CA2,606468.0%
      Coal Creek, CO2,605476.0%
      Source: The Coal Creek, 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.