TODAY NOV21
TEMPERATURE55
HUMIDITY100
PRESSURE
WIND COND.
  • 6455Thu70%30%
  • 6350Fri100%100%
  • 6046Sat60%40%
  • 5849Sun
  • 6049Mon
daynightWeather update from SAN FRANCISCO DOWNTOWN at
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Weather Quick Facts

  • The highest monthly average temperature in Daly City for September is 63.3 degrees
  • The lowest monthly average temperature in Daly City for January is 50.7 degrees
  • The most monthly precipitation in Daly City occurs in December with 4.4 inches
  • The air quality index in Daly City is 5% better than the national average
  • The pollution index in Daly City is 202% worse than the national average

Compare Daly City, CA Weather

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      Daly City 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"

      Daly City 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.
      IndexDaly CityCaliforniaNational
      Air quality index405542
      Pollution index8,232,36010,473,1902,726,193

      Daly City air quality

      MeasurementTotal
      Days measured365
      Days with good air quality290
      Days with moderate air quality74
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Daly City temperature with heat index

      Daly City monthly precipitation with daily maximum

      Daly City monthly snow depth with daily maximum

      Daly City monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Emeryville, CA11,6794020.0%
      Alto, CA8184020.0%
      Mill Valley, CA14,4564020.0%
      Strawberry, CA5,3254020.0%
      Albany, CA20,1454020.0%
      Daly City, CA107,1974020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Highlands Ranch, CO107,0175816.0%
      Greeley, CO107,4454510.0%
      Lewisville, TX107,740512.0%
      Jurupa Valley, CA106,6468978.0%
      Meridian, ID107,7873628.0%
      Daly City, CA107,1974020.0%
      Source: The Daly City, 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.