San Clemente, CA Weather - Forecast & Monthly Averages

TEMPERATURE	56
HUMIDITY	72
PRESSURE	101750
WIND COND.	19

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Weather Quick Facts

The highest monthly average temperature in San Clemente for August is 68.3 degrees
The lowest monthly average temperature in San Clemente for December is 55.3 degrees
The most monthly precipitation in San Clemente occurs in December with 7.2 inches
The air quality index in San Clemente is 111% worse than the national average
The pollution index in San Clemente is 1521% worse than the national average

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San Clemente 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	66°F	56°F	5.1"
February	48°F	64°F	56°F	4.2"
March	51°F	66°F	58°F	2.4"
April	53°F	68°F	60°F	1.6"
May	54°F	67°F	58°F	2.3"
June	58°F	69°F	60°F	0.1"
July	63°F	72°F	67°F	0.5"
August	63°F	75°F	68°F	1.0"
September	62°F	75°F	68°F	0.1"
October	58°F	71°F	64°F	2.0"
November	52°F	68°F	59°F	2.6"
December	49°F	64°F	55°F	7.2"

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

San Clemente 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 San Clemente temperature with heat index

San Clemente monthly precipitation with daily maximum

San Clemente monthly snow depth with daily maximum

San Clemente monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Dana Point, CA	33,782	89	78.0%
San Juan Capistrano, CA	35,976	89	78.0%
Lakeland Village, CA	12,362	89	78.0%
Las Flores CDP (Tehama County), CA	324	89	78.0%
Ladera Ranch, CA	24,996	89	78.0%
San Clemente, CA	64,929	89	78.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Wellington, FL	64,990	36	28.0%
Santa Cruz, CA	65,011	35	30.0%
Harlingen, TX	65,028	44	12.0%
Laguna Niguel, CA	65,048	89	78.0%
Blaine, MN	65,048	46	8.0%
San Clemente, CA	64,929	89	78.0%

Source: The San Clemente, 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.