Berkeley, CA Weather - Forecast & Monthly Averages

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Key findings

The highest monthly average temperature in Berkeley for September is 63.6 degrees
The lowest monthly average temperature in Berkeley for January is 49.6 degrees
The most monthly precipitation in Berkeley occurs in December with 4.1 inches
The air quality index in Berkeley is 20% better than the national average
The pollution index in Berkeley is 604% worse than the national average

Compare Berkeley, CA Weather

Berkeley 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"

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Berkeley 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	Berkeley	California	National
Air quality index	40	55	50
Pollution index	19,202,400	10,473,190	2,726,193

Berkeley air quality information

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

Berkeley air quality information

Pollutant	Total
Arsenic	0.180%
Benzene	0.140%
Carbon Tetrachloride	0.010%
Lead	0.280%
Mercury	0.060%

Average monthly Berkeley temperature with heat index

Berkeley monthly precipitation with daily maximum

Berkeley monthly snow depth with daily maximum

Berkeley monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Castle Hill, CA	1,202	40	20.0%
Orinda, CA	18,936	40	20.0%
San Miguel, CA	3,214	40	20.0%
Vine Hill, CA	4,264	40	20.0%
San Lorenzo, CA	24,790	40	20.0%
Berkeley, CA	118,585	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Waterloo, ON	118,234	n/a
Norman, OK	118,974	48	4.0%
Ann Arbor, MI	118,087	40	20.0%
Terrebonne, QC	119,135	n/a
Beaumont, TX	117,729	45	10.0%
Berkeley, CA	118,585	40	20.0%

Source: The Berkeley, 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.