TODAY FEB26
TEMPERATURE64
HUMIDITY7
PRESSURE30.1
WIND COND.34 21.9
  • 7654Fri
  • 7148Sat
  • 6644Sun
  • 6844Mon
  • 6344Tue
daynightWeather update from Simi Valley - Cochran at

Key findings

  • The highest monthly average temperature in Santa Susana for July is 79 degrees
  • The lowest monthly average temperature in Santa Susana for January is 52 degrees
  • The most monthly precipitation in Santa Susana occurs in September with 28.1 inches
  • The air quality index in Santa Susana is 45% worse than the national average
  • The pollution index in Santa Susana is 2653% worse than the national average

Compare Santa Susana, CA Weather

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      Santa Susana 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
      January45°F62°F52°F19.1"
      February46°F65°F54°F5.8"
      March47°F69°F56°F3.2"
      April47°F73°F58°F3.0"
      May53°F79°F64°F0.6"
      June59°F87°F71°F0.0"
      July65°F96°F79°F0.0"
      August63°F94°F76°F0.0"
      September61°F90°F74°F28.1"
      October57°F81°F67°F5.9"
      November53°F74°F61°F1.3"
      December44°F63°F52°F4.0"

      Santa Susana 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.
      IndexSanta SusanaCaliforniaNational
      Air quality index725550
      Pollution index139,490,00018,106,7265,066,862

      Santa Susana air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality66
      Days with moderate air quality208
      Days w/ poor A.Q. for sensitive groups62
      Days with unhealthy air quality28

      Santa Susana air quality information

      PollutantTotal
      Arsenic0.200%
      Benzene0.950%
      Carbon Tetrachloride0.080%
      Lead1.320%
      Mercury0.440%

      Average monthly Santa Susana temperature with heat index

      Santa Susana monthly precipitation with daily maximum

      Santa Susana monthly snow depth with daily maximum

      Santa Susana monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Thousand Oaks, CA128,623468%
      Casa Conejo, CA3,180468%
      Westlake Village, CA8,443468%
      Fillmore, CA15,391468%
      Piru, CA1,950468%
      Santa Susana, CA1,0577244%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Truman, MN1,0571570%
      Alleghenyville, PA1,0574216%
      Ilwaco, WA1,0572060%
      Poipu, HI1,0571374%
      Paincourtville, LA1,0574510%
      Santa Susana, CA1,0577244%
      Source: The Santa Susana, 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.