TODAY NOV13
TEMPERATURE57
HUMIDITY26
PRESSURE102050
WIND COND.360
  • 7648Wed
  • 7446Thu40%
  • 5740Fri50%30%
  • 6039Sat
  • 6542Sun
daynightWeather update from FW0494 San Bernardino CSU SB at
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Weather Quick Facts

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

Compare San Bernardino, CA Weather

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      Terrace 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"

      Terrace 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.
      IndexTerraceSan BernardinoCalifornia
      Air quality index898955
      Pollution index31,575,30031,575,30010,473,190

      Terrace 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 Terrace temperature with heat index

      Terrace monthly precipitation with daily maximum

      Terrace monthly snow depth with daily maximum

      Terrace monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bloomington, CA21,9078978.0%
      Jurupa Valley, CA106,6468978.0%
      Redlands, CA71,6808978.0%
      Rancho Cucamonga, CA178,0608978.0%
      Lytle Creek, CA6568978.0%
      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 Terrace, 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.