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Key findings

  • The highest monthly average temperature in San Mateo Park for September is 63 degrees
  • The lowest monthly average temperature in San Mateo Park for January is 51 degrees
  • The most monthly precipitation in San Mateo Park occurs in December with 4.4 inches
  • The air quality index in San Mateo Park is 14% better than the national average
  • The pollution index in San Mateo Park is 90% worse than the national average

Compare San Mateo, CA Weather

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      San Mateo Park 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
      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"

      San Mateo Park 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.
      IndexSan Mateo ParkSan MateoCalifornia
      Air quality index434355
      Pollution index9,645,6109,645,61018,106,726

      San Mateo Park air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality263
      Days with moderate air quality98
      Days w/ poor A.Q. for sensitive groups4
      Days with unhealthy air quality0

      San Mateo Park air quality information

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

      Average monthly San Mateo Park temperature with heat index

      San Mateo Park monthly precipitation with daily maximum

      San Mateo Park monthly snow depth with daily maximum

      San Mateo Park monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Alameda, CA77,4094020%
      Brisbane, CA4,5684020%
      Colma, CA1,5404020%
      San Lorenzo, CA24,7904020%
      Ashland, CA24,2884020%
      San Mateo, CA102,2244314%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Sandy Springs, GA102,212524%
      Clovis, CA102,1486020%
      Davenport, IA102,305468%
      Lewisville, TX102,327512%
      Rialto, CA102,4188978%
      San Mateo, CA102,2244314%
      Source: The San Mateo Park, San Mateo, 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.