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Pacifica 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
January44°F58°F51°F3.2"
February46°F62°F53°F3.4"
March47°F64°F54°F2.7"
April49°F67°F56°F1.7"
May51°F69°F58°F0.3"
June54°F72°F61°F0.2"
July56°F73°F62°F0.0"
August56°F73°F62°F0.0"
September56°F76°F63°F0.1"
October54°F73°F62°F1.0"
November49°F65°F56°F1.7"
December44°F58°F51°F4.4"

Did you know?

  • The highest monthly average temperature in Pacifica for September is 63 degrees.
  • The lowest monthly average temperature in Pacifica for January is 51 degrees.
  • The most monthly precipitation in Pacifica occurs in December with 4.4 inches.
  • The air quality index in Pacifica is 6% worse than the national average.
  • The pollution index in Pacifica is 90% worse than the national average.

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Compare Pacifica, CA Weather To Other Cities

Pacifica 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.
IndexPacificaCaliforniaNational
Air quality index535550
Pollution index9,645,61018,106,7265,066,862

Pacifica air quality information

MeasurementTotal
Days measured365
Days with good air quality162
Days with moderate air quality196
Days w/ poor A.Q. for sensitive groups7
Days with unhealthy air quality

Pacifica air quality information

PollutantTotal
Arsenic0.140%
Benzene0.070%
Carbon Tetrachloride0.000%
Lead0.100%
Mercury0.020%

Average monthly Pacifica temperature with heat index

Pacifica monthly precipitation with daily maximum

Pacifica monthly snow depth with daily maximum

Pacifica monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Brisbane, CA4,5684314%
Daly City, CA105,5434314%
Piedmont, CA11,2014314%
San Francisco, CA850,2824314%
Alameda, CA77,4094314%
Pacifica, CA38,844536%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Mableton, GA38,839524%
Tupelo, MS38,8563530%
Marumsco, VA38,815492%
Huber Heights, OH38,795484%
Hallandale Beach, FL38,9514118%
Pacifica, CA38,844536%
Source: The Pacifica, 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.