Millbrae, CA Weather Forecast & Monthly Average Temperatures

TEMPERATURE	56
HUMIDITY	80
PRESSURE	29.92
WIND COND.

Millbrae 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"

Did you know?

The highest monthly average temperature in Millbrae for September is 63 degrees.
The lowest monthly average temperature in Millbrae for January is 51 degrees.
The most monthly precipitation in Millbrae occurs in December with 4.4 inches.
The air quality index in Millbrae is 6% worse than the national average.
The pollution index in Millbrae is 90% worse than the national average.

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Millbrae 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	Millbrae	California	National
Air quality index	53	55	50
Pollution index	9,645,610	18,106,726	5,066,862

Millbrae air quality information

Measurement	Total
Days measured	365
Days with good air quality	162
Days with moderate air quality	196
Days w/ poor A.Q. for sensitive groups	7
Days with unhealthy air quality

Millbrae air quality information

Pollutant	Total
Arsenic	0.140%
Benzene	0.070%
Carbon Tetrachloride	0.000%
Lead	0.100%
Mercury	0.020%

Average monthly Millbrae temperature with heat index

Millbrae monthly precipitation with daily maximum

Millbrae monthly snow depth with daily maximum

Millbrae monthly wind speed information

Nearby cities with good air quality

City, State	Population	Air Quality Index	National Avg.
Colma, CA	1,540	43	14%
San Francisco, CA	850,282	43	14%
South San Francisco, CA	66,587	43	14%
Brisbane, CA	4,568	43	14%
Daly City, CA	105,543	43	14%
Millbrae, CA	22,522	53	6%

Cities with similar population

City, State	Population	Air Quality Index	National Avg.
Gallup, NM	22,523	17	66%
Jacksonville Beach, FL	22,519	38	24%
Garden City, NY	22,531	53	6%
Horizon West, FL	22,538	36	28%
Hastings, MN	22,501	36	28%
Millbrae, CA	22,522	53	6%

Source: The Millbrae, 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.