Mission Viejo, CA Weather - Forecast & Monthly Averages

TEMPERATURE	71
HUMIDITY	22
PRESSURE	101320
WIND COND.	360

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Weather Quick Facts

The highest monthly average temperature in Mission Viejo for August is 72.2 degrees
The lowest monthly average temperature in Mission Viejo for December is 57 degrees
The most monthly precipitation in Mission Viejo occurs in December with 2.4 inches
The air quality index in Mission Viejo is 111% worse than the national average
The pollution index in Mission Viejo is 1521% worse than the national average

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Mission 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"

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Mission 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	Mission Viejo	California	National
Air quality index	89	55	42
Pollution index	44,192,600	10,473,190	2,726,193

Mission Viejo 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	0.030%
Benzene	0.280%
Carbon Tetrachloride	0.001%
Lead	0.220%
Mercury	0.140%

Average monthly Mission Viejo temperature with heat index

Mission Viejo monthly precipitation with daily maximum

Mission Viejo monthly snow depth with daily maximum

Mission Viejo monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Laguna Beach, CA	22,991	89	78.0%
Coto de Caza, CA	15,509	89	78.0%
Costa Mesa, CA	112,958	89	78.0%
Las Flores, CA	5,089	89	78.0%
Santa Ana, CA	332,610	89	78.0%
Mission Viejo, CA	95,638	89	78.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Chilliwack, BC	95,663	n/a
Brockton, MA	95,740	43	14.0%
Compton, CA	95,804	72	44.0%
Riverview, FL	95,849	43	14.0%
Longmont, CO	95,864	47	6.0%
Mission Viejo, CA	95,638	89	78.0%

Source: The Mission 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.