TODAY JUN19
TEMPERATURE56
HUMIDITY81
PRESSURE29.9
WIND COND.293 14.2
  • 6650Tue
  • 6948Wed
  • 6950Thu
  • 7249Fri
  • 7250Sat
daynightWeather update from Norris Rancho Marino Reserve (UCNRS) at

San Simeon Average Weather

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
January43°F64°F54°Fn/a
February45°F60°F54°Fn/a
March45°F61°F53°Fn/a
April48°F67°F53°Fn/a
May50°F63°F55°F0.0"
June51°F64°F56°Fn/a
July53°F63°F57°Fn/a
August53°F65°F58°Fn/a
September52°F64°F59°Fn/a
October53°F68°F58°Fn/a
November51°F68°F57°Fn/a
December48°F60°F55°Fn/a

Did you know?

  • The highest monthly average temperature in San Simeon for September is 59 degrees.
  • The lowest monthly average temperature in San Simeon for April is 53 degrees.
  • The most monthly precipitation in San Simeon occurs in May with 0 inches.
  • The air quality index in San Simeon is 12% worse than the national average.
  • The pollution index in San Simeon is 10% worse than the national average.

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Compare San Simeon, CA Weather To Other Cities

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 index565550
Pollution index5,611,11018,106,7265,066,862

San Simeon air quality information

MeasurementTotal
Days measured365
Days with good air quality129
Days with moderate air quality227
Days w/ poor A.Q. for sensitive groups8
Days with unhealthy air quality

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

City, StatePopulationAir Quality IndexNational Avg.
Cambria, CA6,1985612%
Oak Shores, CA2755612%
San Simeon, CA3255612%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Nisland, SD3254314%
Bricelyn, MN3251864%
Allen, NE3254118%
Poy Sippi, WI3253824%
Perry, IL3253432%
San Simeon, CA3255612%
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.