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

Waco in August has a normal high of 97°F and a normal low of 74°F, a daily mean of 86°F, falling from 98°F on the 1st to 95°F by the 31st. Measurable precipitation falls on 5 days in a normal August, 2.05 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 36°C and low of 23°C, 52 mm of precipitation in August.

  • NOAA stationWaco Regional Airport
  • Station IDUSW00013959
  • Location31.62°N 97.23°W
  • Elevation500 ft (152 m)
  • From the center5 miles
  • Population146,608
  1. Jan 59° 36°
  2. Feb 63° 40°
  3. Mar 70° 47°
  4. Apr 78° 55°
  5. May 85° 63°
  6. Jun 93° 71°
  7. Jul 97° 74°
  8. Aug 97° 74°
  9. Sep 91° 67°
  10. Oct 81° 56°
  11. Nov 69° 46°
  12. Dec 60° 38°

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

How warm is Waco in August?

The normal high is 97°F and the normal low 74°F, for a daily mean of 85.5°F. August is 0.1°F cooler than July and 6.8°F warmer than September. August is the 2nd warmest month of the year in Waco and the 11th wettest. Across the month the normal high falls 3°F, from 98°F on August 1 to 95°F on August 31. From one year to the next August's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 83°F and 88°F.

Waco 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 20%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 198°F75°F14%9%
August 898°F75°F15%9%
August 1598°F74°F16%10%
August 2297°F73°F18%11%
August 3195°F71°F20%12%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 3, coldest night August 31)
Waco: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 198°F75°F14%9%13 h 40 min
August 298°F75°F14%9%13 h 40 min
August 398°F75°F14%9%13 h 40 min
August 498°F75°F14%9%13 h 40 min
August 598°F75°F14%9%13 h 40 min
August 698°F75°F14%9%13 h 30 min
August 798°F75°F15%9%13 h 30 min
August 898°F75°F15%9%13 h 30 min
August 998°F75°F15%9%13 h 30 min
August 1098°F75°F15%9%13 h 30 min
August 1198°F75°F15%10%13 h 30 min
August 1298°F75°F15%10%13 h 30 min
August 1398°F75°F16%10%13 h 20 min
August 1498°F75°F16%10%13 h 20 min
August 1598°F74°F16%10%13 h 20 min
August 1698°F74°F16%10%13 h 20 min
August 1797°F74°F17%10%13 h 20 min
August 1897°F74°F17%10%13 h 20 min
August 1997°F74°F17%11%13 h 10 min
August 2097°F74°F17%11%13 h 10 min
August 2197°F74°F18%11%13 h 10 min
August 2297°F73°F18%11%13 h 10 min
August 2396°F73°F18%11%13 h 10 min
August 2496°F73°F18%11%13 h
August 2596°F73°F18%11%13 h
August 2696°F73°F19%12%13 h
August 2796°F72°F19%12%13 h
August 2895°F72°F19%12%13 h
August 2995°F72°F19%12%13 h
August 3095°F72°F20%12%12 h 50 min
August 3195°F71°F20%12%12 h 50 min
Normal high
97°FAugust average
Normal low
74°FAugust average
Precipitation
2.05 inmonth total
Days with precipitation
50.01 inch or more
Days at 90°F or more
29
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 USW00013959; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Waco in August?

On a given August day the chance of 0.01 inch or more is 16% on average, highest around August 31 (20%). In all, 2.05 in falls on 5 days of a normal August, 1 of them with an inch or more.

In a normal August in Waco, 29 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013959.

How humid and windy is Waco in August?

At 3 p.m. the normal temperature is 94°F with 39% relative humidity and a dew point of 65°F; at 6 a.m. it is 73°F with 84% humidity. The wind averages 7.9 mph, most often from the 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.73°F68°F84%6.0 mph74%
9 a.m.82°F69°F66%7.7 mph75%
noon90°F67°F46%8.8 mph68%
3 p.m.94°F65°F39%9.5 mph72%
6 p.m.90°F65°F43%10.0 mph79%
9 p.m.82°F67°F60%7.7 mph87%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00013959. 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 Waco?

The warmest August temperature on Waco's official record (since 1901) is 112°F, on August 11, 1969; the coldest is 53°F, on August 28, 1992. The wettest August brought 10.33 in (2008).

The August mean against the 1991-2020 normal of 85.5°F: 2021 84.8°F (−0.7), 2022 87.3°F (+1.8), 2023 91.0°F (+5.5), 2024 87.3°F (+1.8), 2025 84.9°F (−0.6), 2026 89.4°F (+3.9). 4 of 6 ran warmer than normal.

Waco: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202184.8°F−0.7°F7.30 in
202287.3°F+1.8°F2.54 in
202391.0°F+5.5°F0.34 in
202487.3°F+1.8°F0.20 in
202584.9°F−0.6°F2.95 in
202689.4°F+3.9°F0.01 in

Source: records: ACIS, NWS threaded record ACTthr; recent months: ACIS, station USW00013959. Records and recent months use complete months only.

How does August in Waco 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; Waco's is 97°F.

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

Other months and places