TODAY DEC06
TEMPERATURE58
HUMIDITY93
PRESSURE
WIND COND.143 1.1
  • 625720%
  • 6155Sat70%80%
  • 6053Sun80%40%
  • 6151Mon
  • 6152Tue
daynightWeather update from Morro Bay Harbor at
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Morro Bay 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"

Did you know?

  • The highest monthly average temperature in Morro Bay for September is 65 degrees.
  • The lowest monthly average temperature in Morro Bay for December is 52 degrees.
  • The most monthly precipitation in Morro Bay occurs in January with 3.9 inches.
  • The air quality index in Morro Bay is 13% worse than the national average.
  • The pollution index in Morro Bay is 11% worse than the national average.

Compare Morro Bay, CA Weather To Other Cities

Morro Bay 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.
IndexMorro BayCaliforniaNational
Air quality index565550
Pollution index5,611,11018,106,7265,066,862

Morro Bay 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

Morro Bay air quality information

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

Average monthly Morro Bay temperature with heat index

Morro Bay monthly precipitation with daily maximum

Morro Bay monthly snow depth with daily maximum

Morro Bay monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Avila Beach, CA1,2425612%
Garden Farms, CA3125612%
Santa Margarita, CA1,3465612%
Cambria, CA6,1985612%
Los Osos, CA15,6035612%
Morro Bay, CA10,5195612%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Harrison, OH10,522548%
Bound Brook, NJ10,5124020%
Farmington, MI10,526524%
Maynard, MA10,5263824%
Jefferson, LA10,5324510%
Morro Bay, CA10,5195612%
Source: The Morro Bay, 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.
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