Mill Valley, CA Weather Forecast & Monthly Average Temperatures

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TEMPERATURE	61
HUMIDITY	75
PRESSURE
WIND COND.	79 1

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Mill 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	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"

Did you know?

The highest monthly average temperature in Mill Valley for September is 64 degrees.
The lowest monthly average temperature in Mill Valley for January is 50 degrees.
The most monthly precipitation in Mill Valley occurs in December with 4.1 inches.
The air quality index in Mill Valley is 14% better than the national average.
The pollution index in Mill Valley is 62% worse than the national average.

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Mill 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	Mill Valley	California	National
Air quality index	43	55	50
Pollution index	8,232,360	18,106,726	5,066,862

Mill Valley air quality information

Measurement	Total
Days measured	365
Days with good air quality	241
Days with moderate air quality	115
Days w/ poor A.Q. for sensitive groups	9
Days with unhealthy air quality

Mill Valley air quality information

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

Average monthly Mill Valley temperature with heat index

Mill Valley monthly precipitation with daily maximum

Mill Valley monthly snow depth with daily maximum

Mill Valley monthly wind speed information

Nearby cities with good air quality

City, State	Population	Air Quality Index	National Avg.
Point Reyes Station, CA	574	35	30%
Albany, CA	19,420	43	14%
Black Point-Green Point, CA	1,592	43	14%
Daly City, CA	105,543	43	14%
Emeryville, CA	11,111	43	14%
Mill Valley, CA	14,318	43	14%

Cities with similar population

City, State	Population	Air Quality Index	National Avg.
Hobe Sound, FL	14,318	29	42%
Beech Grove, IN	14,319	59	18%
Fairview, NJ	14,314	53	6%
Niceville, FL	14,325	31	38%
Chubbuck, ID	14,326	35	30%
Mill Valley, CA	14,318	43	14%

Source: The Mill 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.