TODAY SEP21
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 7851Fri
  • 7753Sat
  • 7751Sun
  • 8452Mon
  • 8752Tue
daynightWeather update from DW7094 Mill Valley at
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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"

Did you know?

  • 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 13% better than the national average.
  • The pollution index in Larkspur is 62% worse than the national average.

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Compare Larkspur, CA Weather To Other Cities

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 index435550
Pollution index8,232,36018,106,7265,066,862

Larkspur air quality information

MeasurementTotal
Days measured365
Days with good air quality241
Days with moderate air quality115
Days w/ poor A.Q. for sensitive groups9
Days with unhealthy air quality

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.
Alto, CA6494314%
El Cerrito CDP, CA5,6994314%
Kensington, CA5,6024314%
Marin City, CA3,1154314%
Nicasio, CA1134314%
Larkspur, CA12,2684314%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Wilton Manors, FL12,2704118%
New Baltimore, MI12,266524%
Ocean Pointe, HI12,2743040%
Newington Forest, VA12,262492%
Portales, NM12,2752354%
Larkspur, CA12,2684314%
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.