Bexar County climate

Bexar County Weather in August

NOAA 1991-2020 normals for San Antonio Incarnate Word, 5.1 km from Bexar County

Average highs run from 96°F on August 1 to 93°F on August 31, and lows from 75°F to 72°F. Normal precipitation for the month is 2.43 in over about 4 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Bexar County, in °F, with the record for each date.6080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
95°F
Average low
74°F
Precipitation
2.43 in
Record high
113°FAug 28, 2011
Record low
63°FAug 13, 2004
Chance of a freeze
0%
Days of 90°F or more
28.4
Daylight
13 h 32 min to 12 h 46 min
Cloud cover
44%
Humidity
61%
Dew point
67°F
Wind
8.3 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Aug 196°F75°F105°F 201168°F 200515%0%
Aug 296°F75°F106°F 201168°F 202014%0%
Aug 396°F75°F106°F 201170°F 201414%0%
Aug 496°F75°F106°F 201172°F 200214%0%
Aug 596°F75°F105°F 201171°F 200214%0%
Aug 696°F75°F107°F 202370°F 200514%0%
Aug 796°F75°F108°F 202372°F 199814%0%
Aug 896°F75°F106°F 202373°F 200614%0%
Aug 996°F75°F108°F 202372°F 200414%0%
Aug 1096°F75°F107°F 202372°F 199914%0%
Aug 1196°F75°F107°F 202370°F 200014%0%
Aug 1296°F75°F106°F 202367°F 200414%0%
Aug 1396°F75°F105°F 201963°F 200415%0%
Aug 1496°F75°F105°F 202366°F 200415%0%
Aug 1596°F74°F105°F 202365°F 200415%0%
Aug 1696°F74°F106°F 202363°F 200415%0%
Aug 1796°F74°F108°F 202366°F 200415%0%
Aug 1896°F74°F105°F 202371°F 200016%0%
Aug 1996°F74°F105°F 201170°F 200016%0%
Aug 2095°F74°F106°F 202470°F 200816%0%
Aug 2195°F74°F109°F 202471°F 202017%0%
Aug 2295°F74°F108°F 202470°F 200317%0%
Aug 2395°F74°F105°F 202668°F 202018%0%
Aug 2495°F74°F107°F 201071°F 200318%0%
Aug 2595°F73°F105°F 202371°F 202018%0%
Aug 2694°F73°F104°F 200672°F 200219%0%
Aug 2794°F73°F108°F 201171°F 201019%0%
Aug 2894°F73°F113°F 201168°F 201020%0%
Aug 2994°F73°F110°F 201169°F 201520%0%
Aug 3094°F73°F105°F 201370°F 200420%0%
Aug 3193°F72°F104°F 200066°F 201721%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Bexar County, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:54 AM, sunset 8:26 PM
August 31
sunrise 7:11 AM, sunset 7:57 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00417947 (San Antonio Incarnate Word), public domain. Records: NOAA GHCN-Daily, station USW00012970, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.