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Key findings

  • The highest monthly average temperature in Cayucos for September is 64.9 degrees
  • The lowest monthly average temperature in Cayucos for December is 52 degrees
  • The most monthly precipitation in Cayucos occurs in January with 3.9 inches
  • The air quality index in Cayucos is 8% better than the national average
  • The pollution index in Cayucos is 11% worse than the national average

Compare Cayucos, CA Weather

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      Cayucos 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°F68°F53°F3.9"
      February43°F67°F54°F2.6"
      March45°F69°F55°F2.2"
      April47°F71°F57°F1.4"
      May49°F73°F59°F0.3"
      June52°F77°F62°F0.1"
      July55°F79°F64°F0.1"
      August56°F80°F64°F0.0"
      September55°F82°F65°F0.0"
      October52°F80°F63°F0.9"
      November46°F73°F57°F1.1"
      December41°F66°F52°F3.1"

      Cayucos 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.
      IndexCayucosCaliforniaNational
      Air quality index465550
      Pollution index5,611,11018,106,7265,066,862

      Cayucos 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

      Cayucos air quality information

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

      Average monthly Cayucos temperature with heat index

      Cayucos monthly precipitation with daily maximum

      Cayucos monthly snow depth with daily maximum

      Cayucos monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Morro Bay, CA10,519468%
      Atascadero, CA29,516468%
      El Paso de Robles (Paso Robles), CA31,178468%
      Cambria, CA6,198468%
      San Luis Obispo, CA46,716468%
      Cayucos, CA2,987468%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Park Hills, KY2,987548%
      Toftrees, PA2,9864412%
      Hartley, CA2,9883530%
      Emmitsburg, MD2,9864216%
      Leesburg, GA2,9894020%
      Cayucos, CA2,987468%
      Source: The Cayucos, 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.