TODAY DEC23
TEMPERATURE66
HUMIDITY44
PRESSURE
WIND COND.241 6.4
  • 7245Mon
  • 6144Tue60%40%
  • 6546
  • 6746Thu
  • 6848Fri
daynightWeather update from SANTA FE DAM at
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Weather Quick Facts

  • The highest monthly average temperature in San Gabriel for August is 72.5 degrees
  • The lowest monthly average temperature in San Gabriel for December is 57 degrees
  • The most monthly precipitation in San Gabriel occurs in January with 3.5 inches
  • The air quality index in San Gabriel is 71% worse than the national average
  • The pollution index in San Gabriel is 5017% worse than the national average

Compare San Gabriel, CA Weather

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      San Gabriel 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
      January48°F70°F58°F3.5"
      February50°F70°F59°F2.9"
      March52°F72°F61°F1.5"
      April55°F74°F63°F0.7"
      May58°F75°F65°F0.5"
      June61°F78°F68°F0.0"
      July65°F83°F72°F0.0"
      August65°F84°F73°F0.0"
      September64°F85°F72°F0.3"
      October60°F81°F69°F0.7"
      November54°F75°F63°F0.8"
      December48°F69°F57°F2.8"

      San Gabriel 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 GabrielCaliforniaNational
      Air quality index725542
      Pollution index139,490,00010,473,1902,726,193

      San Gabriel air quality

      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

      Air quality details

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

      Average monthly San Gabriel temperature with heat index

      San Gabriel monthly precipitation with daily maximum

      San Gabriel monthly snow depth with daily maximum

      San Gabriel monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Florence-Graham, CA64,7877244.0%
      Los Angeles, CA3,973,2787244.0%
      Willowbrook, CA24,4017244.0%
      Downey, CA111,2637244.0%
      La Mirada, CA48,2607244.0%
      San Gabriel, CA40,1087244.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Quincy, IL40,1114118.0%
      Hollister, CA40,1003726.0%
      Cape Girardeau, MO40,1004412.0%
      Spanish Fork, UT40,069468.0%
      Holyoke, MA40,1614020.0%
      San Gabriel, CA40,1087244.0%
      Source: The San Gabriel, 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.