San Angelo weather in August: San Angelo, Texas: normal highs, lows, rain and records for August

San Angelo in August has a normal high of 97°F and a normal low of 72°F, a daily mean of 84°F, falling from 99°F on the 1st to 93°F by the 31st. Measurable precipitation falls on 6 days in a normal August, 2.42 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 36°C and low of 22°C, 61 mm of precipitation in August.

  • NOAA stationSan Angelo Mathis Field Airport
  • Station IDUSW00023034
  • Location31.37°N 100.49°W
  • Elevation1,890 ft (576 m)
  • From the center5 miles
  • Population100,159
  1. Jan 61° 34°
  2. Feb 65° 38°
  3. Mar 73° 46°
  4. Apr 82° 53°
  5. May 89° 62°
  6. Jun 94° 70°
  7. Jul 97° 72°
  8. Aug 97° 72°
  9. Sep 89° 65°
  10. Oct 81° 54°
  11. Nov 69° 43°
  12. Dec 62° 35°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is San Angelo in August?

The normal high is 97°F and the normal low 72°F, for a daily mean of 84.1°F. August is 0.7°F cooler than July and 7.1°F warmer than September. August is the 2nd warmest month of the year in San Angelo and the 3rd wettest. Across the month the normal high falls 6°F, from 99°F on August 1 to 93°F on August 31. From one year to the next August's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 82°F and 87°F.

San Angelo in August, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 19%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 199°F73°F16%9%
August 898°F73°F17%10%
August 1597°F72°F18%11%
August 2296°F71°F19%11%
August 3193°F69°F19%11%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
San Angelo: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 199°F73°F16%9%13 h 40 min
August 299°F73°F16%9%13 h 40 min
August 399°F73°F16%9%13 h 40 min
August 499°F73°F16%9%13 h 40 min
August 599°F73°F17%10%13 h 40 min
August 698°F73°F17%10%13 h 30 min
August 798°F73°F17%10%13 h 30 min
August 898°F73°F17%10%13 h 30 min
August 998°F73°F17%10%13 h 30 min
August 1098°F73°F18%10%13 h 30 min
August 1198°F73°F18%10%13 h 30 min
August 1298°F72°F18%11%13 h 20 min
August 1398°F72°F18%11%13 h 20 min
August 1498°F72°F18%11%13 h 20 min
August 1597°F72°F18%11%13 h 20 min
August 1697°F72°F18%11%13 h 20 min
August 1797°F72°F19%11%13 h 20 min
August 1897°F72°F19%11%13 h 10 min
August 1997°F72°F19%11%13 h 10 min
August 2096°F71°F19%11%13 h 10 min
August 2196°F71°F19%11%13 h 10 min
August 2296°F71°F19%11%13 h 10 min
August 2396°F71°F19%11%13 h 10 min
August 2495°F71°F19%11%13 h
August 2595°F71°F19%11%13 h
August 2695°F70°F19%11%13 h
August 2795°F70°F19%11%13 h
August 2894°F70°F19%11%13 h
August 2994°F70°F19%11%13 h
August 3094°F69°F19%11%12 h 50 min
August 3193°F69°F19%11%12 h 50 min
Normal high
97°FAugust average
Normal low
72°FAugust average
Precipitation
2.42 inmonth total
Days with precipitation
60.01 inch or more
Days at 90°F or more
27
Daylight
13 h 40 min to 12 h 50 minAugust 1 to August 31
Days at 70°F or more
31
Days at 80°F or more
31
Sunshine
88%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00023034; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in San Angelo in August?

On a given August day the chance of 0.01 inch or more is 18% on average, highest around August 27 (19%). In all, 2.42 in falls on 6 days of a normal August, 1 of them with an inch or more.

In a normal August in San Angelo, 27 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023034.

How humid and windy is San Angelo in August?

At 3 p.m. the normal temperature is 91°F with 35% relative humidity and a dew point of 60°F; at 6 a.m. it is 70°F with 78% humidity. The wind averages 7.4 mph, most often from the east-southeast in the afternoon.

A normal August day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.70°F63°F78%4.9 mph75%
9 a.m.78°F65°F64%7.9 mph80%
noon88°F63°F43%8.9 mph73%
3 p.m.91°F60°F35%10.1 mph78%
6 p.m.89°F59°F37%9.8 mph78%
9 p.m.80°F61°F53%7.0 mph81%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00023034. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for August in San Angelo?

The warmest August temperature on San Angelo's official record (since 1907) is 112°F, on August 22, 2024; the coldest is 45°F, on August 31, 1915. The wettest August brought 8.13 in (1971).

The August mean against the 1991-2020 normal of 84.1°F: 2021 81.9°F (−2.2), 2022 85.5°F (+1.4), 2023 89.5°F (+5.4), 2024 88.2°F (+4.1), 2025 83.5°F (−0.6), 2026 86.3°F (+2.2). 4 of 6 ran warmer than normal.

San Angelo: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202181.9°F−2.2°F5.31 in
202285.5°F+1.4°F2.44 in
202389.5°F+5.4°F0.29 in
202488.2°F+4.1°F0.44 in
202583.5°F−0.6°F2.60 in
202686.3°F+2.2°F0.76 in

Source: records: ACIS, NWS threaded record SJTthr; recent months: ACIS, station USW00023034. Records and recent months use complete months only.

How does August in San Angelo compare across Texas?

Across the 321 places PlainClimate covers in Texas, August normal highs run from 87°F in Marfa to 101°F in Del Rio; San Angelo's is 97°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places