Aliso Viejo, CA Weather Forecast & Monthly Average Temperatures

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Aliso Viejo 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	48°F	69°F	57°F	2.3"
February	49°F	69°F	58°F	1.9"
March	52°F	70°F	60°F	0.9"
April	54°F	72°F	62°F	0.6"
May	59°F	73°F	65°F	0.3"
June	62°F	76°F	67°F	0.0"
July	66°F	80°F	71°F	0.1"
August	66°F	82°F	72°F	0.0"
September	65°F	82°F	72°F	0.2"
October	60°F	79°F	68°F	0.5"
November	54°F	75°F	63°F	0.7"
December	48°F	68°F	57°F	2.4"

Did you know?

The highest monthly average temperature in Aliso Viejo for August is 72 degrees.
The lowest monthly average temperature in Aliso Viejo for December is 57 degrees.
The most monthly precipitation in Aliso Viejo occurs in December with 2.4 inches.
The air quality index in Aliso Viejo is 70% worse than the national average.
The pollution index in Aliso Viejo is 772% worse than the national average.

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Compare Aliso Viejo, CA Weather To Other Cities

Aliso Viejo 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	Aliso Viejo	California	National
Air quality index	85	55	50
Pollution index	44,192,600	18,106,726	5,066,862

Aliso Viejo air quality information

Measurement	Total
Days measured	365
Days with good air quality	24
Days with moderate air quality	211
Days w/ poor A.Q. for sensitive groups	102
Days with unhealthy air quality	25

Aliso Viejo air quality information

Pollutant	Total
Arsenic	0.030%
Benzene	0.280%
Carbon Tetrachloride	0.001%
Lead	0.220%
Mercury	0.140%

Average monthly Aliso Viejo temperature with heat index

Aliso Viejo monthly precipitation with daily maximum

Aliso Viejo monthly snow depth with daily maximum

Aliso Viejo monthly wind speed information

Nearby cities with good air quality

City, State	Population	Air Quality Index	National Avg.
Midway City, CA	9,235	74	48%
Fountain Valley, CA	56,670	74	48%
Garden Grove, CA	174,676	74	48%
Coto de Caza, CA	14,845	85	70%
Irvine, CA	246,992	85	70%
Aliso Viejo, CA	50,219	85	70%

Cities with similar population

City, State	Population	Air Quality Index	National Avg.
Charleston, WV	50,210	34	32%
Burien, WA	50,187	49	2%
Rowland Heights, CA	50,281	85	70%
Caldwell, ID	50,288	36	28%
Edina, MN	49,976	44	12%
Aliso Viejo, CA	50,219	85	70%

Source: The Aliso Viejo, 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.