El Cajon, CA Weather - Forecast & Monthly Averages

TEMPERATURE	40
HUMIDITY	53
PRESSURE
WIND COND.	250 1.6

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Weather Quick Facts

The highest monthly average temperature in El Cajon for August is 72.2 degrees
The lowest monthly average temperature in El Cajon for December is 55.8 degrees
The most monthly precipitation in El Cajon occurs in December with 2.5 inches
The air quality index in El Cajon is 52% worse than the national average
The pollution index in El Cajon is 94% better than the national average

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El Cajon 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	45°F	69°F	56°F	1.9"
February	47°F	69°F	57°F	2.2"
March	50°F	70°F	59°F	1.0"
April	53°F	72°F	61°F	0.7"
May	57°F	72°F	63°F	0.4"
June	61°F	76°F	66°F	0.0"
July	65°F	80°F	71°F	0.2"
August	66°F	82°F	72°F	0.0"
September	64°F	83°F	72°F	0.2"
October	58°F	80°F	68°F	0.5"
November	51°F	74°F	62°F	0.9"
December	46°F	68°F	56°F	2.5"

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El Cajon 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	El Cajon	California	National
Air quality index	64	55	42
Pollution index	162,740	10,473,190	2,726,193

El Cajon air quality

Measurement	Total
Days measured	365
Days with good air quality	87
Days with moderate air quality	253
Days w/ poor A.Q. for sensitive groups	23
Days with unhealthy air quality	2

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.003%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

Average monthly El Cajon temperature with heat index

El Cajon monthly precipitation with daily maximum

El Cajon monthly snow depth with daily maximum

El Cajon monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Jamul, CA	5,776	64	28.0%
San Diego, CA	1,414,545	64	28.0%
Bostonia, CA	17,532	64	28.0%
Granite Hills, CA	4,020	64	28.0%
Poway, CA	49,780	64	28.0%
El Cajon, CA	103,249	64	28.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Burbank, CA	103,411	72	44.0%
Las Cruces, NM	102,950	51	2.0%
Rialto, CA	103,549	89	78.0%
Sparks, NV	102,895	46	8.0%
San Mateo, CA	103,619	43	14.0%
El Cajon, CA	103,249	64	28.0%

Source: The El Cajon, 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.