TODAY OCT08
TEMPERATURE86
HUMIDITY
PRESSURE101250
WIND COND.
  • 9665Wed
  • 9563Thu
  • 9361Fri
  • 9057Sat
  • 8556Sun
daynightWeather update from San Bernardino Intl. Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Perris Hills for August is 77.8 degrees
  • The lowest monthly average temperature in Perris Hills for December is 55.1 degrees
  • The most monthly precipitation in Perris Hills occurs in December with 1.9 inches
  • The air quality index in Perris Hills is 111% worse than the national average
  • The pollution index in Perris Hills is 1058% worse than the national average

Compare San Bernardino, CA Weather

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      Perris Hills 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
      January44°F70°F56°F1.6"
      February45°F72°F57°F1.2"
      March47°F75°F60°F0.7"
      April50°F78°F63°F0.5"
      May55°F82°F66°F0.2"
      June59°F89°F72°F0.0"
      July65°F94°F77°F0.2"
      August65°F95°F78°F0.1"
      September63°F94°F76°F0.2"
      October56°F85°F69°F0.2"
      November49°F77°F62°F0.5"
      December44°F69°F55°F1.9"

      Perris Hills 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.
      IndexPerris HillsSan BernardinoCalifornia
      Air quality index898955
      Pollution index31,575,30031,575,30010,473,190

      Perris Hills air quality

      MeasurementTotal
      Days measured365
      Days with good air quality42
      Days with moderate air quality178
      Days w/ poor A.Q. for sensitive groups79
      Days with unhealthy air quality58

      Air quality details

      PollutantTotal
      Arsenic0.110%
      Benzene0.260%
      Carbon Tetrachloride0.020%
      Lead0.350%
      Mercury0.280%

      Average monthly Perris Hills temperature with heat index

      Perris Hills monthly precipitation with daily maximum

      Perris Hills monthly snow depth with daily maximum

      Perris Hills monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Calimesa, CA9,1568978.0%
      Jurupa Valley, CA106,6468978.0%
      Redlands, CA71,6808978.0%
      Fontana, CA212,7048978.0%
      Rialto, CA103,5498978.0%
      San Bernardino, CA216,7848978.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Tacoma, WA215,7661864.0%
      Des Moines, IA215,4083922.0%
      Richmond Hill, ON215,407n/a 
      Spring Valley, NV218,697548.0%
      Enterprise, NV214,591548.0%
      San Bernardino, CA216,7848978.0%
      Source: The Perris Hills, San Bernardino, 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.