Muir Beach, CA Weather - Forecast & Monthly Averages

TEMPERATURE
HUMIDITY
PRESSURE	101740
WIND COND.

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Weather Quick Facts

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

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Muir Beach 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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Muir Beach 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	Muir Beach	California	National
Air quality index	40	55	42
Pollution index	8,232,360	10,473,190	2,726,193

Muir Beach 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 Muir Beach temperature with heat index

Muir Beach monthly precipitation with daily maximum

Muir Beach monthly snow depth with daily maximum

Muir Beach monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Richmond, CA	110,051	40	20.0%
Fairfax, CA	7,629	40	20.0%
Ross, CA	2,453	40	20.0%
Santa Venetia, CA	3,891	40	20.0%
South San Francisco, CA	66,878	40	20.0%
Muir Beach, CA	360	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Kipnuk, AK	360	31	38.0%
Fisher Island, FL	360	41	18.0%
Worthington, IA	360	29	42.0%
Malta, ID	360	20	60.0%
Protection, KS	360	15	70.0%
Muir Beach, CA	360	40	20.0%

Source: The Muir Beach, 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.