TODAY MAR03
TEMPERATURE55
HUMIDITY62
PRESSURE29.84
WIND COND.
  • 6839Wed
  • 6639Thu
  • 6942Fri
  • 6140Sat
  • 6239Sun
daynightWeather update from San Jose, San Jose International Airport at

Key findings

  • The highest monthly average temperature in Santa Clara for July is 68 degrees
  • The lowest monthly average temperature in Santa Clara for January is 50 degrees
  • The most monthly precipitation in Santa Clara occurs in February with 2.5 inches
  • The air quality index in Santa Clara is 14% better than the national average
  • The pollution index in Santa Clara is 364% worse than the national average

Compare Santa Clara, CA Weather

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      Santa Clara 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
      January41°F61°F50°F2.5"
      February44°F64°F53°F2.5"
      March46°F68°F56°F2.1"
      April48°F71°F58°F1.3"
      May52°F75°F62°F0.3"
      June56°F80°F66°F0.2"
      July58°F82°F68°F0.0"
      August58°F82°F68°F0.0"
      September57°F82°F67°F0.1"
      October53°F77°F63°F0.6"
      November46°F68°F56°F1.3"
      December41°F61°F50°F2.4"

      Santa Clara 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 ClaraCaliforniaNational
      Air quality index435550
      Pollution index23,499,80018,106,7265,066,862

      Santa Clara air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality263
      Days with moderate air quality98
      Days w/ poor A.Q. for sensitive groups4
      Days with unhealthy air quality0

      Santa Clara air quality information

      PollutantTotal
      Arsenic0.120%
      Benzene0.170%
      Carbon Tetrachloride0.001%
      Lead0.220%
      Mercury0.140%

      Average monthly Santa Clara temperature with heat index

      Santa Clara monthly precipitation with daily maximum

      Santa Clara monthly snow depth with daily maximum

      Santa Clara monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Lexington Hills, CA2,6173530%
      Newark, CA44,6774314%
      Redwood City, CA82,5954314%
      Fruitdale, CA8684314%
      Alum Rock, CA11,8774314%
      Santa Clara, CA122,7254314%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Abilene, TX122,6123334%
      Murfreesboro, TN122,0074510%
      Victorville, CA121,3208978%
      East Los Angeles, CA124,1917244%
      Hartford, CT124,3204118%
      Santa Clara, CA122,7254314%
      Source: The Santa Clara, 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.