Rowland Heights, CA Weather - Forecast & Monthly Averages

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TEMPERATURE	63
HUMIDITY	81
PRESSURE
WIND COND.	267 8

Weather Quick Facts

The highest monthly average temperature in Rowland Heights for August is 75 degrees
The lowest monthly average temperature in Rowland Heights for December is 56.3 degrees
The most monthly precipitation in Rowland Heights occurs in December with 2.5 inches
The air quality index in Rowland Heights is 111% worse than the national average
The pollution index in Rowland Heights is 69% better than the national average

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Rowland Heights 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	46°F	72°F	57°F	2.3"
February	48°F	72°F	58°F	1.7"
March	51°F	75°F	61°F	1.0"
April	54°F	76°F	64°F	0.5"
May	58°F	78°F	66°F	0.3"
June	62°F	81°F	70°F	0.0"
July	66°F	86°F	74°F	0.1"
August	66°F	88°F	75°F	0.0"
September	65°F	88°F	74°F	0.2"
October	59°F	83°F	69°F	0.4"
November	52°F	77°F	63°F	0.6"
December	45°F	70°F	56°F	2.5"

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Rowland Heights 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	Rowland Heights	California	National
Air quality index	89	55	42
Pollution index	858,652	10,473,190	2,726,193

Rowland Heights 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	0.002%
Benzene	0.010%
Carbon Tetrachloride	0.000%
Lead	0.020%
Mercury	0.001%

Average monthly Rowland Heights temperature with heat index

Rowland Heights monthly precipitation with daily maximum

Rowland Heights monthly snow depth with daily maximum

Rowland Heights monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Garden Grove, CA	172,800	72	44.0%
Duarte, CA	21,399	72	44.0%
Mayflower Village, CA	5,687	72	44.0%
San Gabriel, CA	40,108	72	44.0%
South Monrovia Island, CA	6,565	72	44.0%
Rowland Heights, CA	49,914	89	78.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Levittown, PA	49,921	41	18.0%
Coral Gables, FL	49,937	41	18.0%
Newark, OH	49,951	41	18.0%
Lakewood, OH	50,002	50	= 100
Twin Falls, ID	49,819	20	60.0%
Rowland Heights, CA	49,914	89	78.0%

Source: The Rowland Heights, 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.