Granite Hills, CA Weather - Forecast & Monthly Averages

TEMPERATURE	61
HUMIDITY	57
PRESSURE
WIND COND.	209

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Weather Quick Facts

The highest monthly average temperature in Granite Hills for August is 72.2 degrees
The lowest monthly average temperature in Granite Hills for December is 55.8 degrees
The most monthly precipitation in Granite Hills occurs in December with 2.5 inches
The air quality index in Granite Hills is 52% worse than the national average
The pollution index in Granite Hills is 94% better than the national average

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Granite Hills 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	45°F	69°F	56°F	1.9"
February	47°F	69°F	57°F	2.2"
March	50°F	70°F	59°F	1.0"
April	53°F	72°F	61°F	0.7"
May	57°F	72°F	63°F	0.4"
June	61°F	76°F	66°F	0.0"
July	65°F	80°F	71°F	0.2"
August	66°F	82°F	72°F	0.0"
September	64°F	83°F	72°F	0.2"
October	58°F	80°F	68°F	0.5"
November	51°F	74°F	62°F	0.9"
December	46°F	68°F	56°F	2.5"

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Granite Hills 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	Granite Hills	California	National
Air quality index	64	55	42
Pollution index	162,740	10,473,190	2,726,193

Granite Hills air quality

Measurement	Total
Days measured	365
Days with good air quality	87
Days with moderate air quality	253
Days w/ poor A.Q. for sensitive groups	23
Days with unhealthy air quality	2

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.003%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

Average monthly Granite Hills temperature with heat index

Granite Hills monthly precipitation with daily maximum

Granite Hills monthly snow depth with daily maximum

Granite Hills monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
La Presa, CA	37,410	64	28.0%
Spring Valley CDP (Lake County), CA	1,154	64	28.0%
Casa de Oro-Mount Helix, CA	19,327	64	28.0%
Harbison Canyon, CA	4,355	64	28.0%
Rancho San Diego, CA	21,476	64	28.0%
Granite Hills, CA	4,020	64	28.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Smithton, IL	4,019	54	8.0%
Hiram, GA	4,021	52	4.0%
Oak Valley, NJ	4,018	51	2.0%
Schnecksville, PA	4,022	42	16.0%
Pleasant Hills, MD	4,017	46	8.0%
Granite Hills, CA	4,020	64	28.0%

Source: The Granite Hills, 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.