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Key findings

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

Compare San Diego, CA Weather

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      Rancho Penasquitos 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"

      Rancho Penasquitos 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.
      IndexRancho PenasquitosSan DiegoCalifornia
      Air quality index646455
      Pollution index45,820,50045,820,50018,106,726

      Rancho Penasquitos 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

      Rancho Penasquitos air quality information

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

      Average monthly Rancho Penasquitos temperature with heat index

      Rancho Penasquitos monthly precipitation with daily maximum

      Rancho Penasquitos monthly snow depth with daily maximum

      Rancho Penasquitos monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Casa de Oro-Mount Helix, CA20,1376428%
      Escondido, CA149,9126428%
      Lake San Marcos, CA4,5296428%
      Ramona, CA22,3466428%
      Santee, CA56,8396428%
      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 Rancho Penasquitos, 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.