What August feels like in Dallas
For Dallas, August is late summer on the calendar. The heat peaks hard in the afternoon, when being outside for long is draining. Evenings ease the heat only slightly, and nights remain very warm. Humidity is moderate, so the air feels neither sticky nor dry.
Rain in Dallas in August
Wet days are occasional rather than regular, about one day in 4. Rain tends to come in heavy bursts: about 10.3 mm (0.4 in) on an average rainy day. That is close to Dallas's typical rain per wet day for the whole year (about 11.7 mm). It is among the three driest months of the year.
Daylight and sunshine in August
On 15 August the sun rises at about 6:50 am and sets around 8:14 pm local time, giving 13 h 24 min of daylight. Days are getting shorter: 44 min less daylight than in mid-July. Measured sunshine covers about 90% of the daylight — skies are mostly clear.
How August compares to the rest of the year
August is the warmest month of the year in Dallas. Compared with July, afternoons are 0.5°C (0.9°F) warmer, with 14 mm more rain. Temperatures keep falling into September. By September, typical highs are 31.4°C (88.5°F).
Who August suits
- Sightseeing: less ideal — midday heat makes long walks hard.
- Parks & outdoor: less ideal — afternoons are too warm to linger outside.
- Museums & indoor: a good choice — a cool break during the hottest hours.
Tips for visiting Dallas in August
Rain Protection
A compact umbrella and a light waterproof jacket.
Sun Protection
Sunscreen, a hat and sunglasses; light breathable clothes.
Quick questions
How warm is Dallas in August?
Afternoons average 35.3°C (95.5°F) and nights about 25.8°C (78.4°F) — very hot by most people's standards. It is the warmest month of the year.
Does it rain a lot in Dallas in August?
Not especially. There are about 7 rainy days (72 mm), mostly moderate rain.
What should I wear in Dallas in August?
The numbers point to rain protection and sun protection. There is little need to change for the evening.
Is August or September better for visiting Dallas?
September scores better on our climate ranking (#6 of 12 vs #10), rated Good against Fair. September is cooler.
