Larkspur, CA Weather - Forecast & Monthly Averages

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TEMPERATURE
HUMIDITY
PRESSURE	101040
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Larkspur for September is 63.6 degrees
The lowest monthly average temperature in Larkspur for January is 49.6 degrees
The most monthly precipitation in Larkspur occurs in December with 4.1 inches
The air quality index in Larkspur is 5% better than the national average
The pollution index in Larkspur is 202% worse than the national average

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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.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	41°F	59°F	50°F	2.8"
February	45°F	62°F	53°F	3.1"
March	47°F	65°F	55°F	2.9"
April	49°F	67°F	57°F	1.8"
May	52°F	69°F	59°F	0.4"
June	54°F	72°F	62°F	0.3"
July	56°F	73°F	63°F	0.0"
August	57°F	73°F	63°F	0.0"
September	55°F	76°F	64°F	0.1"
October	52°F	73°F	61°F	1.0"
November	47°F	65°F	56°F	1.9"
December	42°F	59°F	50°F	4.1"

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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.
Index	Larkspur	California	National
Air quality index	40	55	42
Pollution index	8,232,360	10,473,190	2,726,193

Larkspur air quality

Measurement	Total
Days measured	365
Days with good air quality	290
Days with moderate air quality	74
Days w/ poor A.Q. for sensitive groups	1
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.010%
Benzene	0.060%
Carbon Tetrachloride	0.000%
Lead	0.010%
Mercury	0.010%

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	Population	Air Quality Index	National Avg.
Alameda, CA	79,827	40	20.0%
Alto, CA	818	40	20.0%
Kentfield, CA	7,423	40	20.0%
Sausalito, CA	7,177	40	20.0%
Tamalpais-Homestead Valley, CA	12,331	40	20.0%
Larkspur, CA	12,363	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Lakeland Village, CA	12,362	89	78.0%
Urbana, MD	12,362	40	20.0%
Fairfax Station, VA	12,364	47	6.0%
Winnetka, IL	12,361	55	10.0%
Wellesley, ON	12,358	n/a
Larkspur, CA	12,363	40	20.0%

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.