Fountain Valley, CA Weather - Forecast & Monthly Averages

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TEMPERATURE	68
HUMIDITY	64
PRESSURE	101690
WIND COND.	190 9.6

Weather Quick Facts

The highest monthly average temperature in Fountain Valley for August is 72.2 degrees
The lowest monthly average temperature in Fountain Valley for December is 57 degrees
The most monthly precipitation in Fountain Valley occurs in December with 2.4 inches
The air quality index in Fountain Valley is 71% worse than the national average
The pollution index in Fountain Valley is 69% better than the national average

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

Fountain Valley 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 Fountain Valley temperature with heat index

Fountain Valley monthly precipitation with daily maximum

Fountain Valley monthly snow depth with daily maximum

Fountain Valley monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Cypress, CA	50,123	72	44.0%
Lakewood, CA	81,936	72	44.0%
Norwalk, CA	107,725	72	44.0%
Westminster, CA	93,920	72	44.0%
East Whittier, CA	10,526	72	44.0%
Fountain Valley, CA	57,666	72	44.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Lake Havasu City, AZ	57,669	13	74.0%
Tinley Park, IL	57,746	55	10.0%
Dearborn Heights, MI	57,763	56	12.0%
Tamiami, FL	57,787	41	18.0%
Kendale Lakes, FL	57,544	41	18.0%
Fountain Valley, CA	57,666	72	44.0%

Source: The Fountain Valley, 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.