Dallas Weather in August
August in Dallas typically sees daytime highs of 36°C (97°F) and nighttime lows of 25°C (77°F). Expect some rainfall during the month.
Rainfall in Dallas in August
Historically, approximately 6 days this month are expected to have rain, averaging 57 mm (2.2 in). When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.
Temperature in Dallas in August
In August, Dallas sees extremely high temperatures, with highs of 36°C (97°F). Nights drop to around 25°C (77°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning. These are average temperatures, but there can be hotter days. Be sure to wear appropriate clothing and stay hydrated to manage the heat.
Sunshine in Dallas in August
The days are predominantly sunny, with an estimated total of around 305 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.August in Dallas can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Dallas's climate page.
Dallas Temperature in August
Min Temperature
25°C (77°F)
Max Temperature
36°C (97°F)
Chance of Rain
20%
Precipitation
57 mm (2.2 in)
Rainy days
6 days
Humidity
60%
Sunshine
305 hours
Percentage Sunshine
74%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Dallas typically stay consistent throughout August, with daily highs averaging around 36°C (97°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Dallas in August
Browse day-by-day weather records for Dallas spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Dallas historical weather extremes in August
The extremes listed below come from historical weather data collected in Dallas from 1976 through 2025.
- The warmest day in August was on August 2, 2011, with a maximum of 43°C (109°F).
- On August 20, 2015, Dallas saw its coldest August day with temperatures maxing out at 24°C (75°F).
- The lowest overnight temperature recorded in August was 15°C (59°F) (August 12, 1979).
Best Places in the United States of America in August
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →
perfect weather
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What to Wear in Dallas in August
Hot weather in August means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Dallas in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Dallas's climate page.
Temperature Rainfall Sunshine Humidity
See the full Dallas climate overview or explore weather in the United States of America.
