Waco, TX weather in August
In August, Waco sees highs around 97°F and lows around 74°F: hot, oppressively humid and mostly dry. There are about 5 days with rain. It is one of the warmest months in Waco. Plan outdoor time for mornings and evenings.
- Normal high
- 97°F
- Normal low
- 74°F
- Wet days
- 5
- 2.0 in total
- Muggy days
- 26
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 98°F | 95°F |
| Normal low | 75°F | 71°F |
| Chance of a wet day | 14% | 19% |
| Sunrise / sunset | 6:44 am / 8:24 pm | 7:03 am / 7:54 pm |
| Daylight | 13.7 h | 12.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical August day
- 6 am75°Fdew point 70°F
- 9 am84°Fdew point 70°F
- Noon92°Fdew point 68°F
- 3 pm95°Fdew point 66°F
- 6 pm92°Fdew point 66°F
- 9 pm84°Fdew point 68°F
NOAA hourly normals (local standard time) from Waco Rgnl Airport (7 mi away); average wind 9 mph; clear or few clouds in 78% of daytime hours, mostly cloudy or overcast in 11%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Hot dayshigh 90°F or more29 of 31
- Muggy daysdaily mean dew point 65°F or more26 of 31
- Wet daysat least 0.01 in of rain or melted snow5 of 31
- Notable rainat least 0.10 in3 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per August, counted from daily records for each year 1991-2020.
Rain in August
Normal precipitation is 2.0 in; a dry August brings about 0.4 in and a wet one about 2.5 in (25th and 75th percentiles). About 1 day brings half an inch or more, and about 1 an inch or more.
How August varies from year to year
- Warmest August, 1991-20202011: average high 105°F
- Coolest August2004: average high 93°F
- Wettest August2008: 10.3 in
- Driest August1999: no measurable precipitation
- Highest reading110°F (August 27, 2011)
- Lowest reading53°F (August 28, 1992)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
August compared with July and September
| July | August | September | |
|---|---|---|---|
| Normal high | 97°F | 97°F | 91°F |
| Normal low | 74°F | 74°F | 67°F |
| Wet days | 5 | 5 | 6 |
| Comfortable days | 0 | 0 | 1 |
| Daylight | 14.0 h | 13.3 h | 12.3 h |
Highs change by 0°F from July and -6°F into September.
Nearby alternatives in August
- Cooler: Galveston, TX209 mi · high 92°F · 9 wet days
How Waco ranks in August
- Normal high27th warmest of 378 cities; 9th of 38 in Texas
- Wet days92nd driest of 378
- Comfortable days340th most of 341
What to pack for Waco in August
- Light, breathable clothing – highs near 97°F and about 26 muggy days
Heating and cooling
August has 0 heating degree days and 635 cooling degree days (base 65°F), 13% of the year's total heating and cooling demand.
Questions
How hot is Waco in August?
The normal high is 97°F and the normal low is 74°F. From 1991 to 2020 the hottest August reading was 110°F (August 27, 2011).
Does it rain a lot in Waco in August?
About 5 days in August have at least 0.01 in of precipitation, and the normal total is 2.1 in. The wettest August in 1991-2020 was in 2008 (10.3 in); the driest was in 1999, with no measurable precipitation.
Is August a good time to visit Waco?
August ranks 12th of 12 months on our comfort score for Waco (35 out of 100). It has almost no comfortable days and about 29 days at 90°F or hotter. The best months are March and April.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Waco Rgnl Airport (USW00013959), 6.8 mi NW of the city center, 500 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Waco Regional Airport (722560-13959), 6.7 mi NW of the city center, 498 ft . Hourly observations, 1991-2020.