Rossmoor, CA Weather - Forecast & Monthly Averages

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TEMPERATURE	55
HUMIDITY	94
PRESSURE	101388.48
WIND COND.

Weather Quick Facts

The highest monthly average temperature in Rossmoor for August is 72.2 degrees
The lowest monthly average temperature in Rossmoor for December is 55.2 degrees
The most monthly precipitation in Rossmoor occurs in December with 7.6 inches
The air quality index in Rossmoor is 71% worse than the national average
The pollution index in Rossmoor is 69% better than the national average

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Rossmoor 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	7.4"
February	47°F	68°F	57°F	5.5"
March	50°F	71°F	60°F	2.6"
April	52°F	73°F	62°F	1.3"
May	57°F	74°F	64°F	2.3"
June	60°F	77°F	67°F	0.1"
July	64°F	81°F	71°F	0.5"
August	64°F	83°F	72°F	0.2"
September	62°F	84°F	71°F	5.2"
October	57°F	80°F	67°F	1.7"
November	50°F	74°F	61°F	2.9"
December	44°F	67°F	55°F	7.6"

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Rossmoor 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	Rossmoor	California	National
Air quality index	72	55	42
Pollution index	858,652	10,473,190	2,726,193

Rossmoor air quality

Measurement	Total
Days measured	365
Days with good air quality	66
Days with moderate air quality	208
Days w/ poor A.Q. for sensitive groups	62
Days with unhealthy air quality	28

Air quality details

Pollutant	Total
Arsenic	0.002%
Benzene	0.010%
Carbon Tetrachloride	0.000%
Lead	0.020%
Mercury	0.001%

Average monthly Rossmoor temperature with heat index

Rossmoor monthly precipitation with daily maximum

Rossmoor monthly snow depth with daily maximum

Rossmoor monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Hacienda Heights, CA	55,386	72	44.0%
West Athens, CA	9,554	72	44.0%
Bellflower, CA	76,339	72	44.0%
Cypress, CA	49,137	72	44.0%
La Habra, CA	62,787	72	44.0%
Rossmoor, CA	11,923	72	44.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Healdsburg, CA	11,924	34	32.0%
Myrtle Grove, NC	11,921	34	32.0%
Lake Los Angeles, CA	11,926	72	44.0%
Sedro-Woolley, WA	11,919	24	52.0%
Dranesville, VA	11,929	47	6.0%
Rossmoor, CA	11,923	72	44.0%

Source: The Rossmoor, 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.