Tamalpais-Homestead Valley, CA Weather - Forecast & Monthly Averages

TEMPERATURE
HUMIDITY
PRESSURE	102469.99
WIND COND.

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Weather Quick Facts

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

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Tamalpais-Homestead Valley 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	44°F	58°F	51°F	3.2"
February	46°F	62°F	53°F	3.4"
March	47°F	64°F	54°F	2.7"
April	49°F	67°F	56°F	1.7"
May	51°F	69°F	58°F	0.3"
June	54°F	72°F	61°F	0.2"
July	56°F	73°F	62°F	0.0"
August	56°F	73°F	62°F	0.0"
September	56°F	76°F	63°F	0.1"
October	54°F	73°F	62°F	1.0"
November	49°F	65°F	56°F	1.7"
December	44°F	58°F	51°F	4.4"

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Tamalpais-Homestead Valley 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	Tamalpais-Homestead Valley	California	National
Air quality index	40	55	42
Pollution index	8,232,360	10,473,190	2,726,193

Tamalpais-Homestead Valley 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 Tamalpais-Homestead Valley temperature with heat index

Tamalpais-Homestead Valley monthly precipitation with daily maximum

Tamalpais-Homestead Valley monthly snow depth with daily maximum

Tamalpais-Homestead Valley monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Point Reyes Station, CA	210	34	32.0%
Colma, CA	1,492	40	20.0%
San Francisco, CA	874,784	40	20.0%
Corte Madera, CA	9,793	40	20.0%
Mill Valley, CA	14,456	40	20.0%
Tamalpais-Homestead Valley, CA	12,331	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
New Baltimore, MI	12,333	56	12.0%
St. Marys, PA	12,333	35	30.0%
Gulfport, FL	12,334	38	24.0%
Saddlebrooke, AZ	12,327	47	6.0%
Speedway, IN	12,327	54	8.0%
Tamalpais-Homestead Valley, CA	12,331	40	20.0%

Source: The Tamalpais-Homestead Valley, 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.