TODAY SEP23
TEMPERATURE57
HUMIDITY73
PRESSURE
WIND COND.267 12
  • 6249Sun
  • 6750Mon
  • 7151Tue
  • 7152Wed
  • 7052Thu
daynightWeather update from San Luis Harbor at
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Grover Beach 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
January40°F65°F50°F8.5"
February44°F65°F53°F3.7"
March46°F69°F55°F4.4"
April44°F70°F55°F2.3"
May49°F73°F59°F3.9"
June50°F75°F60°F0.4"
July54°F78°F63°F0.0"
August54°F79°F63°F0.4"
September52°F77°F62°F0.1"
October50°F77°F60°F1.9"
November46°F75°F57°F1.6"
December41°F66°F52°F6.4"

Did you know?

  • The highest monthly average temperature in Grover Beach for August is 63 degrees.
  • The lowest monthly average temperature in Grover Beach for January is 50 degrees.
  • The most monthly precipitation in Grover Beach occurs in January with 8.5 inches.
  • The air quality index in Grover Beach is 12% worse than the national average.
  • The pollution index in Grover Beach is 10% worse than the national average.

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Compare Grover Beach, CA Weather To Other Cities

Grover Beach 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.
IndexGrover BeachCaliforniaNational
Air quality index565550
Pollution index5,611,11018,106,7265,066,862

Grover Beach 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

Grover Beach air quality information

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

Average monthly Grover Beach temperature with heat index

Grover Beach monthly precipitation with daily maximum

Grover Beach monthly snow depth with daily maximum

Grover Beach monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Avila Beach, CA1,2425612%
Guadalupe, CA7,2525612%
Nipomo, CA16,4565612%
Santa Maria, CA103,6425612%
Blacklake, CA8955612%
Grover Beach, CA13,4845612%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
St. Simons, GA13,4803138%
Pell City, AL13,4893824%
Waimalu, HI13,4783040%
Orangeburg, SC13,4784216%
Brecksville, OH13,4705510%
Grover Beach, CA13,4845612%
Source: The Grover Beach, 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.