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San Ramon 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
January38°F59°F47°F2.6"
February41°F63°F51°F2.6"
March43°F67°F54°F2.1"
April45°F72°F57°F1.4"
May50°F78°F62°F0.3"
June54°F85°F67°F0.2"
July58°F90°F71°F0.0"
August57°F89°F70°F0.0"
September56°F88°F69°F0.1"
October50°F79°F63°F0.9"
November43°F67°F54°F1.5"
December38°F60°F48°F2.8"

Did you know?

  • The highest monthly average temperature in San Ramon for July is 71 degrees.
  • The lowest monthly average temperature in San Ramon for January is 47 degrees.
  • The most monthly precipitation in San Ramon occurs in December with 2.8 inches.
  • The air quality index in San Ramon is 14% better than the national average.
  • The pollution index in San Ramon is 170% worse than the national average.

Compare San Ramon, CA Weather To Other Cities

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      San Ramon 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 RamonCaliforniaNational
      Air quality index435550
      Pollution index13,698,50018,106,7265,066,862

      San Ramon air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality241
      Days with moderate air quality115
      Days w/ poor A.Q. for sensitive groups9
      Days with unhealthy air quality

      San Ramon air quality information

      PollutantTotal
      Arsenic0.040%
      Benzene0.110%
      Carbon Tetrachloride0.330%
      Lead0.070%
      Mercury0.120%

      Average monthly San Ramon temperature with heat index

      San Ramon monthly precipitation with daily maximum

      San Ramon monthly snow depth with daily maximum

      San Ramon monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Acalanes Ridge, CA1,0004314%
      Ashland, CA24,2884314%
      Castle Hill, CA1,2024314%
      Concord, CA126,9384314%
      Lafayette, CA25,3814314%
      San Ramon, CA74,3664314%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Schaumburg, IL74,3666020%
      Bolingbrook, IL74,3206020%
      Conroe, TX74,482524%
      Kendall, FL74,5594118%
      Decatur, IL74,0633922%
      San Ramon, CA74,3664314%
      Source: The San Ramon, 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.