TODAY JAN24
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 5341Sun80%50%
  • 5637Mon
  • 5446Tue40%90%
  • 5348Wed
  • 5344Thu
daynightWeather update from DW7094 Mill Valley at

Key findings

  • The highest monthly average temperature in Larkspur for September is 64 degrees
  • The lowest monthly average temperature in Larkspur for January is 50 degrees
  • The most monthly precipitation in Larkspur occurs in December with 4.1 inches
  • The air quality index in Larkspur is 20% better than the national average
  • The pollution index in Larkspur is 62% worse than the national average

Compare Larkspur, CA Weather

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      Larkspur 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
      January41°F59°F50°F2.8"
      February45°F62°F53°F3.1"
      March47°F65°F55°F2.9"
      April49°F67°F57°F1.8"
      May52°F69°F59°F0.4"
      June54°F72°F62°F0.3"
      July56°F73°F63°F0.0"
      August57°F73°F63°F0.0"
      September55°F76°F64°F0.1"
      October52°F73°F61°F1.0"
      November47°F65°F56°F1.9"
      December42°F59°F50°F4.1"

      Larkspur 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.
      IndexLarkspurCaliforniaNational
      Air quality index405550
      Pollution index8,232,36018,106,7265,066,862

      Larkspur air quality information

      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

      Larkspur air quality information

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

      Average monthly Larkspur temperature with heat index

      Larkspur monthly precipitation with daily maximum

      Larkspur monthly snow depth with daily maximum

      Larkspur monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Black Point-Green Point, CA1,5924020%
      San Francisco, CA850,2824020%
      Corte Madera, CA9,6944020%
      Muir Beach, CA2484020%
      Strawberry CDP (Tuolumne County), CA1164020%
      Larkspur, CA12,2684020%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      New Baltimore, MI12,2665612%
      Wilton Manors, FL12,2704118%
      Newington Forest, VA12,262476%
      Ocean Pointe, HI12,2743040%
      Portales, NM12,2751570%
      Larkspur, CA12,2684020%
      Source: The Larkspur, 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.