Grand Lake, Oakland, CA Weather - Forecast & Monthly Averages

TEMPERATURE	55
HUMIDITY	97
PRESSURE	102060
WIND COND.	340

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Weather Quick Facts

The highest monthly average temperature in Grand Lake for September is 63.6 degrees
The lowest monthly average temperature in Grand Lake for January is 49.6 degrees
The most monthly precipitation in Grand Lake occurs in December with 4.1 inches
The air quality index in Grand Lake is 5% better than the national average
The pollution index in Grand Lake is 604% worse than the national average

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Grand Lake 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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Grand Lake 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	Grand Lake	Oakland	California
Air quality index	40	40	55
Pollution index	19,202,400	19,202,400	10,473,190

Grand Lake 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 Grand Lake temperature with heat index

Grand Lake monthly precipitation with daily maximum

Grand Lake monthly snow depth with daily maximum

Grand Lake monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Castro Valley, CA	64,392	40	20.0%
Moraga, CA	16,896	40	20.0%
San Ramon, CA	81,344	40	20.0%
South San Francisco, CA	66,878	40	20.0%
Marin City, CA	3,040	40	20.0%
Oakland, CA	422,575	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
London, ON	421,456	n/a
Minneapolis, MN	424,536	46	8.0%
Tulsa, OK	402,441	45	10.0%
Laval, QC	445,050	n/a
Arlington, TX	397,269	51	2.0%
Oakland, CA	422,575	40	20.0%

Source: The Grand Lake, Oakland, 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.