Dallas weather in August

Long-run climate averages for Dallas, TX in August, plus what the forecast models say for the days ahead.

August at a glance

In August, Dallas averages 101°F by day and 81°F at night. The wettest month is usually May.

August in Dallas averages a daytime high of 101°F and an overnight low of 81°F, which reads as hot for this part of the world. It is the warmest month of the year here. Across the whole year Dallas sees roughly 54 inches of precipitation.

Climate averages tell you what to pack. They do not tell you what next Tuesday looks like — for that, see the live Dallas forecast with every model compared and how much they currently agree.

Dallas weather by month

what to expect in Dallas through the year

Here is Dallas's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to Dallas by season.

Jan

56°

38°

Cool

Feb

64°

45°

Mild

Mar

70°

51°

Mild

Apr

75°

57°

Warm

May

83°

66°

Warm

Wettest

Jun

91°

73°

Hot

Jul

95°

77°

Hot

Aug

101°

81°

Hot

Sep

91°

72°

Hot

Oct

83°

63°

Warm

Nov

68°

50°

Mild

Dec

61°

44°

Mild

Common questions

How warm is Dallas in August?

Dallas averages a daytime high of 101°F in August, with overnight lows around 81°F. These are long-run climate averages, not a forecast — for the actual days ahead see the live model comparison.

Is August a good time to visit Dallas?

The most comfortable time to visit Dallas is usually February, March, April and November, when daytime highs sit in the pleasant 60-78°F range and the heaviest May rain is behind you.

Does it rain a lot in Dallas in August?

The wettest month in Dallas is usually May. Across the year the city sees roughly 54 inches of precipitation.

Dallas in other months

January February March April May June July September October November December

More about Dallas

Dallas live forecast Best time to visit Dallas Which forecast is most accurate in United States?