TODAY DEC21
TEMPERATURE34
HUMIDITY44
PRESSURE102540
WIND COND.270 9.4
  • 6135Sun
  • 5429Mon
  • 5331Tue
  • 5128
  • 5132Thu
daynightWeather update from Boulder Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Central Boulder for July is 74.7 degrees
  • The lowest monthly average temperature in Central Boulder for December is 29.7 degrees
  • The most monthly precipitation in Central Boulder occurs in November with 2.6 inches
  • The air quality index in Central Boulder is 12% worse than the national average
  • The pollution index in Central Boulder is 81% worse than the national average

Compare Boulder, CO Weather

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      Central Boulder 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"

      Central Boulder 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.
      IndexCentral BoulderBoulderColorado
      Air quality index474738
      Pollution index4,937,0701,028,8502,068,342

      Central Boulder 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
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.001%
      Lead0.240%
      Mercury0.010%

      Average monthly Central Boulder temperature with heat index

      Central Boulder monthly precipitation with daily maximum

      Central Boulder monthly snow depth with daily maximum

      Central Boulder monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      St. Ann Highlands, CO486476.0%
      Lazy Acres, CO1,071476.0%
      Eldorado Springs, CO325476.0%
      Bark Ranch, CO107476.0%
      Ward, CO77476.0%
      Boulder, CO108,777476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Broken Arrow, OK108,8754510.0%
      San Buenaventura (Ventura), CA108,467468.0%
      Inglewood, CA109,3097244.0%
      Sandy Springs, GA108,180524.0%
      Hillsboro, OR108,0263824.0%
      Boulder, CO108,777476.0%
      Source: The Central Boulder, Boulder, 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.