Brentwood, CA Weather Forecast & Monthly Average Temperatures

TEMPERATURE	67
HUMIDITY	26
PRESSURE
WIND COND.	240 8

Brentwood 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	38°F	59°F	47°F	2.6"
February	41°F	63°F	51°F	2.6"
March	43°F	67°F	54°F	2.1"
April	45°F	72°F	57°F	1.4"
May	50°F	78°F	62°F	0.3"
June	54°F	85°F	67°F	0.2"
July	58°F	90°F	71°F	0.0"
August	57°F	89°F	70°F	0.0"
September	56°F	88°F	69°F	0.1"
October	50°F	79°F	63°F	0.9"
November	43°F	67°F	54°F	1.5"
December	38°F	60°F	48°F	2.8"

Did you know?

The highest monthly average temperature in Brentwood for July is 71 degrees.
The lowest monthly average temperature in Brentwood for January is 47 degrees.
The most monthly precipitation in Brentwood occurs in December with 2.8 inches.
The air quality index in Brentwood is 14% worse than the national average.
The pollution index in Brentwood is 170% worse than the national average.

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Brentwood 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	Brentwood	California	National
Air quality index	57	55	50
Pollution index	13,698,500	18,106,726	5,066,862

Brentwood air quality information

Measurement	Total
Days measured	365
Days with good air quality	128
Days with moderate air quality	207
Days w/ poor A.Q. for sensitive groups	21
Days with unhealthy air quality	9

Brentwood air quality information

Pollutant	Total
Arsenic	0.040%
Benzene	0.110%
Carbon Tetrachloride	0.330%
Lead	0.070%
Mercury	0.120%

Average monthly Brentwood temperature with heat index

Brentwood monthly precipitation with daily maximum

Brentwood monthly snow depth with daily maximum

Brentwood monthly wind speed information

Nearby cities with good air quality

City, State	Population	Air Quality Index	National Avg.
Diablo, CA	807	43	14%
Norris Canyon, CA	1,046	43	14%
Bay Point, CA	23,131	43	14%
Camino Tassajara, CA	3,456	43	14%
Clayton, CA	11,655	43	14%
Brentwood, CA	56,923	57	14%

Cities with similar population

City, State	Population	Air Quality Index	National Avg.
Midwest City, OK	56,930	47	6%
Santee, CA	56,839	61	22%
Sanford, FL	57,039	35	30%
Oak Lawn, IL	56,774	60	20%
Tinley Park, IL	57,125	60	20%
Brentwood, CA	56,923	57	14%

Source: The Brentwood, 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.