TODAY JUL20
TEMPERATURE75
HUMIDITY100
PRESSURE29.95
WIND COND.130 3.4
  • 10476Sat
  • 10477Sun
  • 10679Mon
  • 10378Tue
  • 10378Wed
daynightWeather update from San Antonio, Stinson Municipal Airport at

Downtown Average Weather

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January22°F88°F55°F0.8"
February23°F93°F59°F0.6"
March30°F96°F66°F3.1"
April36°F102°F72°F1.3"
May50°F102°F79°F3.1"
June61°F105°F85°F2.2"
July67°F106°F85°F3.1"
August70°F104°F86°F1.6"
September55°F108°F81°F2.1"
October34°F97°F72°F2.5"
November28°F93°F64°F1.7"
December21°F84°F55°F1.0"

Did you know?

  • The highest monthly average temperature in Downtown for August is 86 degrees.
  • The lowest monthly average temperature in Downtown for December is 55 degrees.
  • The most monthly precipitation in Downtown occurs in March with 3.1 inches.
  • The air quality index in Downtown is 9% better than the national average.
  • The pollution index in Downtown is 377% worse than the national average.

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Compare San Antonio, TX Weather To Other Cities

Downtown 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.
IndexDowntownSan AntonioTexas
Air quality index454552
Pollution index24,182,70024,182,7004,642,916

Downtown air quality information

MeasurementTotal
Days measured365
Days with good air quality249
Days with moderate air quality106
Days w/ poor A.Q. for sensitive groups10
Days with unhealthy air quality

Downtown air quality information

PollutantTotal
Arsenic0.310%
Benzene0.310%
Carbon Tetrachloride0.080%
Lead0.140%
Mercury0.230%

Average monthly Downtown temperature with heat index

Downtown monthly precipitation with daily maximum

Downtown monthly snow depth with daily maximum

Downtown monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Alamo Heights, TX7,8144510%
Converse, TX21,1694510%
Helotes, TX8,3294510%
Lackland AFB, TX6,7114510%
Olmos Park, TX1,9644510%
San Antonio, TX1,439,3584510%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
San Diego, CA1,374,8126122%
Phoenix, AZ1,555,3247448%
Philadelphia, PA1,559,9385714%
Dallas, TX1,278,433548%
San Jose, CA1,009,363484%
San Antonio, TX1,439,3584510%
Source: The Downtown, 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.