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Key findings

  • The highest monthly average temperature in Grover Beach for August is 63 degrees
  • The lowest monthly average temperature in Grover Beach for January is 50 degrees
  • The most monthly precipitation in Grover Beach occurs in January with 8.5 inches
  • The air quality index in Grover Beach is 8% better than the national average
  • The pollution index in Grover Beach is 11% worse than the national average

Compare Grover Beach, CA Weather

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      Grover Beach 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
      January40°F65°F50°F8.5"
      February44°F65°F53°F3.7"
      March46°F69°F55°F4.4"
      April44°F70°F55°F2.3"
      May49°F73°F59°F3.9"
      June50°F75°F60°F0.4"
      July54°F78°F63°F0.0"
      August54°F79°F63°F0.4"
      September52°F77°F62°F0.1"
      October50°F77°F60°F1.9"
      November46°F75°F57°F1.6"
      December41°F66°F52°F6.4"

      Grover Beach 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.
      IndexGrover BeachCaliforniaNational
      Air quality index465550
      Pollution index5,611,11018,106,7265,066,862

      Grover Beach air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality230
      Days with moderate air quality132
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality0

      Grover Beach air quality information

      PollutantTotal
      Arsenic0.020%
      Benzene0.060%
      Carbon Tetrachloride0.000%
      Lead0.060%
      Mercury0.010%

      Average monthly Grover Beach temperature with heat index

      Grover Beach monthly precipitation with daily maximum

      Grover Beach monthly snow depth with daily maximum

      Grover Beach monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Blacklake, CA895468%
      Guadalupe, CA7,252468%
      Oceano, CA8,262468%
      Woodlands, CA1,075468%
      Callender, CA1,814468%
      Grover Beach, CA13,484468%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      St. Simons, GA13,4803628%
      Pell City, AL13,4893824%
      Orangeburg, SC13,4784314%
      Waimalu, HI13,4783040%
      South Park Township, PA13,4705612%
      Grover Beach, CA13,484468%
      Source: The Grover Beach, 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.