Norco, CA Weather - Forecast & Monthly Averages

TEMPERATURE	55
HUMIDITY	64
PRESSURE	102167.34
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Norco for August is 74.3 degrees
The lowest monthly average temperature in Norco for December is 52.2 degrees
The most monthly precipitation in Norco occurs in January with 11.3 inches
The air quality index in Norco is 111% worse than the national average
The pollution index in Norco is 736% worse than the national average

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Norco 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	69°F	54°F	11.3"
February	41°F	71°F	55°F	4.5"
March	41°F	76°F	58°F	2.0"
April	44°F	78°F	61°F	1.7"
May	48°F	79°F	64°F	0.8"
June	54°F	86°F	69°F	0.0"
July	59°F	90°F	74°F	0.1"
August	58°F	92°F	74°F	0.1"
September	53°F	90°F	71°F	2.2"
October	49°F	83°F	65°F	2.4"
November	42°F	78°F	59°F	3.4"
December	39°F	68°F	52°F	11.0"

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Norco 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	Norco	California	National
Air quality index	89	55	42
Pollution index	22,790,900	10,473,190	2,726,193

Norco air quality

Measurement	Total
Days measured	365
Days with good air quality	42
Days with moderate air quality	178
Days w/ poor A.Q. for sensitive groups	79
Days with unhealthy air quality	58

Air quality details

Pollutant	Total
Arsenic	0.060%
Benzene	0.190%
Carbon Tetrachloride	0.010%
Lead	0.220%
Mercury	0.230%

Average monthly Norco temperature with heat index

Norco monthly precipitation with daily maximum

Norco monthly snow depth with daily maximum

Norco monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Highgrove, CA	6,201	89	78.0%
Chino Hills, CA	82,800	89	78.0%
Eastvale, CA	65,766	89	78.0%
Pomona, CA	151,124	89	78.0%
Temescal Valley, CA	28,420	89	78.0%
Norco, CA	27,021	89	78.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Magna, UT	27,029	51	2.0%
Mount Pleasant, WI	27,008	39	22.0%
New London, CT	27,001	37	26.0%
Wakefield, MA	27,041	43	14.0%
West Chicago, IL	26,998	55	10.0%
Norco, CA	27,021	89	78.0%

Source: The Norco, 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.