TODAY JAN20
TEMPERATURE68
HUMIDITY40
PRESSURE
WIND COND.70 7.2
  • 6851Thu
  • 6350Fri40%
  • 5945Sat50%
  • 6047Sun
  • 5744Mon
daynightWeather update from Mission Valley North at

Key findings

  • The highest monthly average temperature in Mission Valley for August is 71 degrees
  • The lowest monthly average temperature in Mission Valley for December is 58 degrees
  • The most monthly precipitation in Mission Valley occurs in December with 2.2 inches
  • The air quality index in Mission Valley is 29% worse than the national average
  • The pollution index in Mission Valley is 804% worse than the national average

Compare San Diego, CA Weather

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      Mission Valley 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
      January49°F68°F58°F1.7"
      February51°F68°F59°F1.8"
      March54°F69°F60°F1.0"
      April56°F70°F62°F0.6"
      May60°F70°F64°F0.4"
      June62°F72°F66°F0.0"
      July66°F76°F70°F0.2"
      August67°F78°F71°F0.0"
      September66°F78°F71°F0.2"
      October61°F77°F68°F0.5"
      November55°F73°F63°F0.9"
      December49°F67°F58°F2.2"

      Mission Valley 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 ValleySan DiegoCalifornia
      Air quality index646455
      Pollution index45,820,50045,820,50018,106,726

      Mission Valley air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality87
      Days with moderate air quality253
      Days w/ poor A.Q. for sensitive groups23
      Days with unhealthy air quality2

      Mission Valley air quality information

      PollutantTotal
      Arsenic1.130%
      Benzene0.410%
      Carbon Tetrachloride0.030%
      Lead0.600%
      Mercury0.080%

      Average monthly Mission Valley temperature with heat index

      Mission Valley monthly precipitation with daily maximum

      Mission Valley monthly snow depth with daily maximum

      Mission Valley monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Imperial Beach, CA27,1806428%
      Spring Valley CDP (Lake County), CA1,1546428%
      El Cajon, CA102,8946428%
      Santee, CA56,8396428%
      Bonita, CA12,8856428%
      San Diego, CA1,374,8126428%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      San Antonio, TX1,439,358492%
      Dallas, TX1,278,433512%
      Phoenix, AZ1,555,3247448%
      Philadelphia, PA1,559,938512%
      San Jose, CA1,009,3634314%
      San Diego, CA1,374,8126428%
      Source: The Mission Valley, San Diego, CA 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.