TODAY DEC18
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 7949Wed
  • 7649Thu
  • 7347Fri
  • 7047Sat
  • 6848Sun
daynightWeather update from EW2652 San Diego at
New Real Estate Listings in Rancho Bernadino Area
Search Homes for Sale in San Diego, CA

Weather Quick Facts

  • The highest monthly average temperature in Rancho Bernadino for August is 71.1 degrees
  • The lowest monthly average temperature in Rancho Bernadino for December is 57.5 degrees
  • The most monthly precipitation in Rancho Bernadino occurs in December with 2.2 inches
  • The air quality index in Rancho Bernadino is 52% worse than the national average
  • The pollution index in Rancho Bernadino is 1581% worse than the national average

Compare San Diego, CA Weather

      vs
      How would you rate the weather in Rancho Bernadino?
      Write a review to give others more information about this area.
      How would you rate the air quality in Rancho Bernadino?
      Write a review to give others more information about this area.
      See all Rancho Bernadino poll results

      Rancho Bernadino 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 Bernadino 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 BernadinoSan DiegoCalifornia
      Air quality index646455
      Pollution index45,820,50045,820,50010,473,190

      Rancho Bernadino air quality

      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

      Air quality details

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

      Average monthly Rancho Bernadino temperature with heat index

      Rancho Bernadino monthly precipitation with daily maximum

      Rancho Bernadino monthly snow depth with daily maximum

      Rancho Bernadino monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Harbison Canyon, CA4,3556428.0%
      Santee, CA57,4076428.0%
      Del Mar, CA4,3316428.0%
      Lake San Marcos, CA3,9576428.0%
      Vista, CA100,6596428.0%
      San Diego, CA1,414,5456428.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Calgary, AB1,371,990n/a 
      Dallas, TX1,338,846512.0%
      San Antonio, TX1,529,133492.0%
      Philadelphia, PA1,581,531512.0%
      Phoenix, AZ1,658,4227448.0%
      San Diego, CA1,414,5456428.0%
      Source: The Rancho Bernadino, 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.