Sierra Madre, CA Weather - Forecast & Monthly Averages

TEMPERATURE	65
HUMIDITY	57
PRESSURE
WIND COND.	124 3.2

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Weather Quick Facts

The highest monthly average temperature in Sierra Madre for August is 72.5 degrees
The lowest monthly average temperature in Sierra Madre for December is 57 degrees
The most monthly precipitation in Sierra Madre occurs in January with 3.5 inches
The air quality index in Sierra Madre is 71% worse than the national average
The pollution index in Sierra Madre is 5017% worse than the national average

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Sierra Madre 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	48°F	70°F	58°F	3.5"
February	50°F	70°F	59°F	2.9"
March	52°F	72°F	61°F	1.5"
April	55°F	74°F	63°F	0.7"
May	58°F	75°F	65°F	0.5"
June	61°F	78°F	68°F	0.0"
July	65°F	83°F	72°F	0.0"
August	65°F	84°F	73°F	0.0"
September	64°F	85°F	72°F	0.3"
October	60°F	81°F	69°F	0.7"
November	54°F	75°F	63°F	0.8"
December	48°F	69°F	57°F	2.8"

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Sierra Madre 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	Sierra Madre	California	National
Air quality index	72	55	42
Pollution index	139,490,000	10,473,190	2,726,193

Sierra Madre air quality

Measurement	Total
Days measured	365
Days with good air quality	66
Days with moderate air quality	208
Days w/ poor A.Q. for sensitive groups	62
Days with unhealthy air quality	28

Air quality details

Pollutant	Total
Arsenic	0.200%
Benzene	0.950%
Carbon Tetrachloride	0.080%
Lead	1.320%
Mercury	0.440%

Average monthly Sierra Madre temperature with heat index

Sierra Madre monthly precipitation with daily maximum

Sierra Madre monthly snow depth with daily maximum

Sierra Madre monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
La Habra Heights, CA	5,318	72	44.0%
West Whittier-Los Nietos, CA	26,121	72	44.0%
Pasadena, CA	142,017	72	44.0%
Monrovia, CA	37,636	72	44.0%
East San Gabriel, CA	23,076	72	44.0%
Sierra Madre, CA	10,829	72	44.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
West Point, UT	10,829	45	10.0%
Union Park, FL	10,832	39	22.0%
Fairview, CA	10,834	43	14.0%
Tega Cay, SC	10,834	49	2.0%
Raceland, LA	10,835	41	18.0%
Sierra Madre, CA	10,829	72	44.0%

Source: The Sierra Madre, 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.