TODAY NOV22
TEMPERATURE43
HUMIDITY36
PRESSURE102170
WIND COND.210 9.4
  • 6539Sat
  • 5527Sun20%60%
  • 4529Mon
  • 4930Tue
  • 4124Wed
daynightWeather update from Boulder Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in South Boulder for July is 74.7 degrees
  • The lowest monthly average temperature in South Boulder for December is 29.7 degrees
  • The most monthly precipitation in South Boulder occurs in November with 2.6 inches
  • The air quality index in South Boulder is 12% worse than the national average
  • The pollution index in South Boulder is 120% worse than the national average

Compare Boulder, CO Weather

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      South 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"

      South 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.
      IndexSouth BoulderBoulderColorado
      Air quality index474738
      Pollution index6,002,4901,028,8502,068,342

      South 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 South Boulder temperature with heat index

      South Boulder monthly precipitation with daily maximum

      South Boulder monthly snow depth with daily maximum

      South Boulder monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bonanza Mountain Estates, CO174476.0%
      Lafayette, CO27,952476.0%
      St. Ann Highlands, CO486476.0%
      Central City, CO531476.0%
      Rollinsville, CO375476.0%
      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 South 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.