TODAY DEC22
TEMPERATURE54
HUMIDITY90
PRESSURE102200
WIND COND.250 5.4
  • 6454Sun20%
  • 6654Mon40%
  • 6045Tue100%20%
  • 5946
  • 6148Thu
daynightWeather update from San Luis Obispo, San Luis Obispo County-Mc Chesney Field at
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Weather Quick Facts

  • The highest monthly average temperature in Los Osos for September is 64.9 degrees
  • The lowest monthly average temperature in Los Osos for December is 52 degrees
  • The most monthly precipitation in Los Osos occurs in January with 3.9 inches
  • The air quality index in Los Osos is 9% worse than the national average
  • The pollution index in Los Osos is 106% worse than the national average

Compare Los Osos, CA Weather

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      Los Osos 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"

      Los Osos 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.
      IndexLos OsosCaliforniaNational
      Air quality index465542
      Pollution index5,611,11010,473,1902,726,193

      Los Osos air quality

      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

      Air quality details

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

      Average monthly Los Osos temperature with heat index

      Los Osos monthly precipitation with daily maximum

      Los Osos monthly snow depth with daily maximum

      Los Osos monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Atascadero, CA30,444468.0%
      Morro Bay, CA10,592468.0%
      Oceano, CA7,601468.0%
      Avila Beach, CA1,455468.0%
      Garden Farms, CA418468.0%
      Los Osos, CA16,174468.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Murraysville, NC16,1743432.0%
      Waxhaw, NC16,165492.0%
      Aurora, OH16,1654314.0%
      Kaukauna, WI16,1653726.0%
      Kings Park, NY16,1534314.0%
      Los Osos, CA16,174468.0%
      Source: The Los Osos, 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.