TODAY APR26
TEMPERATURE53
HUMIDITY93
PRESSURE101790.45
WIND COND.343 10.4
  • 6046Fri
  • 6048Sat
  • 6247Sun
  • 6449Mon
  • 6751Tue
daynightWeather update from Norris Rancho Marino Reserve (UCNRS) at
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Weather Quick Facts

  • The highest monthly average temperature in San Simeon for July is 72.5 degrees
  • The lowest monthly average temperature in San Simeon for December is 45.9 degrees
  • The most monthly precipitation in San Simeon occurs in January with 2.7 inches
  • The air quality index in San Simeon is 9% worse than the national average
  • The pollution index in San Simeon is 106% worse than the national average

Compare San Simeon, CA Weather

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      San Simeon 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
      January35°F63°F47°F2.7"
      February38°F65°F50°F1.9"
      March40°F71°F53°F1.5"
      April41°F76°F57°F0.8"
      May46°F83°F62°F0.3"
      June50°F91°F69°F0.0"
      July55°F95°F72°F0.3"
      August54°F95°F71°F0.0"
      September51°F92°F68°F0.0"
      October45°F82°F61°F0.5"
      November38°F71°F53°F0.7"
      December34°F62°F46°F1.7"

      San Simeon 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 SimeonCaliforniaNational
      Air quality index465542
      Pollution index5,611,11010,473,1902,726,193

      San Simeon 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

      San Simeon air quality information

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

      Average monthly San Simeon temperature with heat index

      San Simeon monthly precipitation with daily maximum

      San Simeon monthly snow depth with daily maximum

      San Simeon monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Cambria, CA5,555468.0%
      Oak Shores, CA325468.0%
      San Simeon, CA550468.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Eek, AK5503138.0%
      New Cuyama, CA5504412.0%
      Camargo, IL5504216.0%
      Thebes, IL5504412.0%
      Roanoke, LA5504510.0%
      San Simeon, CA550468.0%
      Source: The San Simeon, 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.