Berkeley, CA Weather - Forecast & Monthly Averages

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Weather Quick Facts

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 5% better than the national average
The pollution index in Berkeley is 604% worse than the national average

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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	42
Pollution index	19,202,400	10,473,190	2,726,193

Berkeley 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	0.180%
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.
Santa Venetia, CA	3,891	40	20.0%
Contra Costa Centre, CA	6,667	40	20.0%
Pacheco, CA	4,775	40	20.0%
San Miguel CDP (San Luis Obispo County), CA	2,696	40	20.0%
Ashland, CA	23,566	40	20.0%
Berkeley, CA	123,065	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Victorville, CA	122,958	89	78.0%
Columbia, MO	122,659	38	24.0%
Odessa, TX	122,630	28	44.0%
Fargo, ND	123,550	33	34.0%
Hartford, CT	122,549	41	18.0%
Berkeley, CA	123,065	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.