San Antonio, TX Weather - Forecast & Monthly Averages

TEMPERATURE	42
HUMIDITY	75
PRESSURE	102540
WIND COND.	330 5.4

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Weather Quick Facts

The highest monthly average temperature in San Antonio for August is 85.8 degrees
The lowest monthly average temperature in San Antonio for January is 53.2 degrees
The most monthly precipitation in San Antonio occurs in May with 4.4 inches
The air quality index in San Antonio is 16% worse than the national average
The pollution index in San Antonio is 787% worse than the national average

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San Antonio 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	42°F	67°F	53°F	2.4"
February	47°F	71°F	57°F	1.2"
March	54°F	78°F	64°F	2.5"
April	60°F	84°F	71°F	2.4"
May	67°F	89°F	77°F	4.4"
June	73°F	95°F	83°F	1.8"
July	75°F	97°F	84°F	2.3"
August	75°F	99°F	86°F	2.9"
September	71°F	93°F	81°F	3.2"
October	62°F	86°F	73°F	2.4"
November	53°F	76°F	63°F	1.5"
December	45°F	67°F	55°F	1.8"

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San Antonio 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 Antonio	Texas	National
Air quality index	49	52	42
Pollution index	24,182,700	2,009,300	2,726,193

San Antonio air quality

Measurement	Total
Days measured	365
Days with good air quality	196
Days with moderate air quality	163
Days w/ poor A.Q. for sensitive groups	5
Days with unhealthy air quality	1

Air quality details

Pollutant	Total
Arsenic	0.310%
Benzene	0.310%
Carbon Tetrachloride	0.080%
Lead	0.140%
Mercury	0.230%

Average monthly San Antonio temperature with heat index

San Antonio monthly precipitation with daily maximum

San Antonio monthly snow depth with daily maximum

San Antonio monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
China Grove, TX	1,239	49	2.0%
Selma, TX	11,241	49	2.0%
Windcrest, TX	5,854	49	2.0%
Grey Forest, TX	503	49	2.0%
Live Oak, TX	16,118	49	2.0%
San Antonio, TX	1,529,133	49	2.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Philadelphia, PA	1,581,531	51	2.0%
San Diego, CA	1,414,545	64	28.0%
Phoenix, AZ	1,658,422	74	48.0%
Calgary, AB	1,371,990	n/a
Dallas, TX	1,338,846	51	2.0%
San Antonio, TX	1,529,133	49	2.0%

Source: The San Antonio, TX 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.