TODAY MAR07
TEMPERATURE56
HUMIDITY80
PRESSURE
WIND COND.265 6.4
  • 6546Sun20%20%
  • 6244Mon20%
  • 6044Tue30%
  • 5842Wed
  • 5942Thu
daynightWeather update from EW2652 San Diego at

Key findings

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

Compare San Diego, CA Weather

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      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 index45,820,50045,820,50018,106,726

      Rancho Bernadino 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 Bernadino air quality information

      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

      City, StatePopulationAir Quality IndexNational Avg.
      Harbison Canyon, CA4,1286428%
      Santee, CA56,8396428%
      Del Mar, CA4,3126428%
      Lake San Marcos, CA4,5296428%
      Vista, CA98,5606428%
      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 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.