TODAY AUG20
TEMPERATURE59
HUMIDITY100
PRESSURE
WIND COND.235 0.1
  • 6452Mon
  • 6353Tue
  • 6453Wed
  • 6453Thu
  • 6453Fri
daynightWeather update from Morro Bay Harbor at

Los Osos 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
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"

Did you know?

  • The highest monthly average temperature in Los Osos for September is 65 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 12% worse than the national average.
  • The pollution index in Los Osos is 10% worse than the national average.

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Compare Los Osos, CA Weather To Other Cities

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

Los Osos 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

Los Osos air quality information

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

City, StatePopulationAir Quality IndexNational Avg.
Cayucos, CA2,9875612%
Los Ranchos, CA1,6305612%
San Luis Obispo, CA46,7165612%
Arroyo Grande, CA17,8425612%
Edna, CA2105612%
Los Osos, CA15,6035612%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Laurinburg, NC15,6013040%
Flowing Wells, AZ15,601468%
Mitchell, SD15,6104020%
Sunland Park, NM15,588512%
Shively, KY15,6255510%
Los Osos, CA15,6035612%
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.