Average weather for Dallas in August
It's hot in August in Dallas with an average temperature of 30°C. Temperatures this month range from a low of 26°C to a high of 33°C. At night, you can expect temperatures between 12°C and 16°C.
Start of August
The month of August starts in Dallas with hot temps, averaging around 31°C during the day and nights around 15°C. There’s little chance of precipitation. The weather’s mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers.
Mid August
By mid-August, daytime temps stay steady at around 31°C, with nights around 15°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
Since it cools down at night, it’s a good idea to wear layers.
End of August
By the end of August, the average daytime temperature in Dallas is around 29°C, while nighttime temps are about 14°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
Because temperatures drop in the evening, wearing layers is recommended.
According to weather history, there is only 8,9 mm of precipitation in August. The wind speed is around 4 Bft, mostly coming from the West.
Dallas in August |
New York | ||
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30°C | 30°C | |
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33°C | 31°C | |
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26°C | -5°C | |
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8,9 mm | 79 mm | |
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2 days | 13 days |
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is August a good time to visit Dallas?
August is a good month to be in Dallas for sunny weather. You’ll have high temperatures and not too much rain.
Temperature records
With 41°C in 2017, Dallas reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 17°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of 7°C to a highest value of 21°C.
Check out the climate of Dallas for all months and discover the best travel time
Daily Temperature in August in Dallas
This chart shows the average daily high and low temperatures in August for Dallas, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in August in Dallas
The chart below shows the average daily precipitation in August for Dallas, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for August, you can expect about 2 days of precipitation in Dallas.
Daily UV index in August in Dallas
This chart shows the average daily UV index in August in Dallas, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in August in Dallas over the years
This chart shows the average temperature in August in Dallas, measured in degrees Celsius, over the past few years.
Total precipitation in August in Dallas over the years
This chart shows the average precipitation in August in Dallas, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in August for Dallas
Click on any day in August to get detailed info about the usual weather on that day in Dallas. Check out the historical temperatures and precipitation over the past 10 years on this day.































Weather experiences in August in Dallas
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Average weather in Dallas by month
Click on a month below to see detailed weather info for Dallas. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.