Current weather conditions temporarily unavailable!

Key findings

  • The highest monthly average temperature in San Fernando for August is 76.5 degrees
  • The lowest monthly average temperature in San Fernando for December is 55.3 degrees
  • The most monthly precipitation in San Fernando occurs in February with 3.2 inches
  • The air quality index in San Fernando is 45% worse than the national average
  • The pollution index in San Fernando is 2653% worse than the national average

Compare San Fernando, CA Weather

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

      San Fernando 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
      January46°F69°F56°F3.0"
      February46°F70°F57°F3.2"
      March49°F74°F60°F1.5"
      April51°F77°F63°F0.7"
      May55°F80°F66°F0.2"
      June60°F86°F71°F0.0"
      July64°F92°F76°F0.1"
      August64°F93°F77°F0.0"
      September62°F91°F75°F0.2"
      October57°F84°F68°F0.5"
      November50°F76°F62°F0.7"
      December44°F68°F55°F2.2"

      San Fernando 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.
      IndexSan FernandoCaliforniaNational
      Air quality index725550
      Pollution index139,490,00018,106,7265,066,862

      San Fernando 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

      San Fernando air quality information

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

      Average monthly San Fernando temperature with heat index

      San Fernando monthly precipitation with daily maximum

      San Fernando monthly snow depth with daily maximum

      San Fernando monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      La Crescenta-Montrose, CA19,8247244%
      Calabasas, CA24,0917244%
      Topanga, CA7,8587244%
      Val Verde, CA2,7167244%
      Burbank, CA104,5837244%
      San Fernando, CA24,3967244%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Norfolk, NE24,3983530%
      Homer Glen, IL24,3855510%
      Herndon, VA24,415476%
      Holt, MI24,4183628%
      Trotwood, OH24,372476%
      San Fernando, CA24,3967244%
      Source: The San Fernando, 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.