TODAY JUL09
TEMPERATURE69
HUMIDITY31
PRESSURE30.02
WIND COND.330 18.4
  • 9263Thu
  • 9764Fri
  • 9365Sat
  • 9665Sun
  • 9765Mon
daynightWeather update from Buckley Air Force Base Airport at

Key findings

  • The highest monthly average temperature in Mission Viejo for July is 73 degrees
  • The lowest monthly average temperature in Mission Viejo for December is 30 degrees
  • The most monthly precipitation in Mission Viejo occurs in September with 5.7 inches
  • The air quality index in Mission Viejo is 17% worse than the national average
  • The pollution index in Mission Viejo is 105% worse than the national average

Compare Aurora, CO Weather

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      Mission Viejo 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
      January21°F45°F31°F1.8"
      February22°F46°F32°F2.0"
      March30°F58°F42°F2.1"
      April35°F63°F47°F4.0"
      May44°F70°F55°F5.2"
      June54°F84°F68°F4.6"
      July60°F89°F73°F5.7"
      August59°F87°F71°F4.5"
      September51°F79°F63°F5.7"
      October39°F67°F51°F4.1"
      November29°F56°F41°F2.2"
      December19°F44°F30°F2.9"

      Mission Viejo 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.
      IndexMission ViejoAuroraColorado
      Air quality index585838
      Pollution index10,406,90010,406,9002,034,619

      Mission Viejo 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

      Mission Viejo air quality information

      PollutantTotal
      Arsenic0.080%
      Benzene0.070%
      Carbon Tetrachloride0.010%
      Lead0.250%
      Mercury0.100%

      Average monthly Mission Viejo temperature with heat index

      Mission Viejo monthly precipitation with daily maximum

      Mission Viejo monthly snow depth with daily maximum

      Mission Viejo monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Acres Green, CO2,9265816%
      Castle Pines Village, CO4,5185816%
      Columbine, CO25,2815816%
      Derby, CO8,9305816%
      Foxfield, CO7325816%
      Aurora, CO351,1315816%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Honolulu, HI349,5973040%
      Anaheim, CA346,7768978%
      Tampa, FL361,4774314%
      Bakersfield, CA367,5556734%
      Santa Ana, CA333,6058978%
      Aurora, CO351,1315816%
      Source: The Mission Viejo, Aurora, 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.