TODAY APR19
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 7348Fri
  • 7448Sat
  • 7652Sun
  • 7851Mon
  • 6950Tue
daynightWeather update from LOS ALTOS at
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Weather Quick Facts

  • The highest monthly average temperature in Charleston Gardens for July is 66.7 degrees
  • The lowest monthly average temperature in Charleston Gardens for January is 50.4 degrees
  • The most monthly precipitation in Charleston Gardens occurs in December with 2.6 inches
  • The air quality index in Charleston Gardens is 2% worse than the national average
  • The pollution index in Charleston Gardens is 321% worse than the national average

Compare Palo Alto, CA Weather

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      Charleston Gardens 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
      January42°F61°F50°F2.4"
      February45°F63°F53°F2.4"
      March47°F67°F56°F2.0"
      April49°F70°F58°F1.3"
      May53°F73°F61°F0.3"
      June56°F77°F65°F0.2"
      July59°F78°F67°F0.0"
      August59°F78°F66°F0.0"
      September57°F80°F67°F0.1"
      October53°F75°F63°F0.7"
      November47°F67°F56°F1.3"
      December42°F60°F51°F2.6"

      Charleston Gardens 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.
      IndexCharleston GardensPalo AltoCalifornia
      Air quality index434355
      Pollution index11,477,20011,477,20010,473,190

      Charleston Gardens 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

      Charleston Gardens air quality information

      PollutantTotal
      Arsenic0.070%
      Benzene0.110%
      Carbon Tetrachloride0.000%
      Lead0.160%
      Mercury0.090%

      Average monthly Charleston Gardens temperature with heat index

      Charleston Gardens monthly precipitation with daily maximum

      Charleston Gardens monthly snow depth with daily maximum

      Charleston Gardens monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Pescadero, CA4183530.0%
      Loma Mar, CA2823530.0%
      Fremont, CA234,8294314.0%
      Stanford, CA16,2004314.0%
      Belmont, CA26,9634314.0%
      Palo Alto, CA67,9734314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Redmond, WA67,9594510.0%
      Gaithersburg, MD67,878476.0%
      Palatine, IL67,8755510.0%
      Union City, NJ68,073512.0%
      Yorba Linda, CA68,1038978.0%
      Palo Alto, CA67,9734314.0%
      Source: The Charleston Gardens, Palo Alto, 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.