TODAY DEC22
TEMPERATURE55
HUMIDITY100
PRESSURE102130
WIND COND.
  • 6254Sun40%60%
  • 6352Mon100%
  • 6047Tue90%
  • 5748
  • 5951Thu
daynightWeather update from Half Moon Bay Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Moss Beach for September is 63.3 degrees
  • The lowest monthly average temperature in Moss Beach for January is 50.7 degrees
  • The most monthly precipitation in Moss Beach occurs in December with 4.4 inches
  • The air quality index in Moss Beach is 2% worse than the national average
  • The pollution index in Moss Beach is 254% worse than the national average

Compare Moss Beach, CA Weather

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      Moss 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
      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"

      Moss 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.
      IndexMoss BeachCaliforniaNational
      Air quality index435542
      Pollution index9,645,61010,473,1902,726,193

      Moss Beach air quality

      MeasurementTotal
      Days measured365
      Days with good air quality252
      Days with moderate air quality101
      Days w/ poor A.Q. for sensitive groups10
      Days with unhealthy air quality2

      Air quality details

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

      Average monthly Moss Beach temperature with heat index

      Moss Beach monthly precipitation with daily maximum

      Moss Beach monthly snow depth with daily maximum

      Moss Beach monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      South San Francisco, CA66,8784020.0%
      Colma, CA1,4924020.0%
      Brisbane, CA4,6454020.0%
      Daly City, CA107,1974020.0%
      Burlingame, CA30,0714314.0%
      Moss Beach, CA3,4364314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      WestLake-Gladstone, MB3,436n/a 
      Humboldt Hill, CA3,4352746.0%
      Piney Point Village, TX3,435524.0%
      Lake Lakengren, OH3,437688.0%
      Tutwiler, MS3,4334314.0%
      Moss Beach, CA3,4364314.0%
      Source: The Moss 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.