August weather forecastDallas, TX
August
Weather in August
As summer reaches its zenith, August in Dallas ushers in sweltering temperatures, sunny skies, and sporadic rainfall. The city's weather continues its July patterns, with a further decrease in rainfall and steady wind conditions. Notably, August brings the year's highest temperature, a trend that subsides in the upcoming fall season. Maximum sunshine duration is packed into slightly shorter daylight hours, encouraging everyone to make the most of the sunlight. Despite the heat, the clear skies and relatively low precipitation make this a popular time for touring this vibrant city.Temperature
August, having an average high-temperature of 96.1°F (35.6°C) and an average low-temperature of 77.2°F (25.1°C), is the warmest month.Heat index
In August, the heat index is appraised at a blistering 111.2°F (44°C). Heed: Expect heat cramps and heat exhaustion. Continued action may cause heatstroke.Heat index values are typically calculated for conditions of shade and a light breeze. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.
Humidity
With an average relative humidity of 55%, August is the least humid month.Rainfall
In Dallas, in August, it is raining for 13.3 days, with typically 2.6" (66mm) of accumulated precipitation. In Dallas, Texas, during the entire year, the rain falls for 141.2 days and collects up to 30.12" (765mm) of precipitation.Snowfall
March through October are months without snowfall.Daylight
In August, the average length of the day is 13h and 19min.On the first day of the month, sunrise is at 6:41 am and sunset at 8:25 pm. On the last day of August, sunrise is at 7:01 am and sunset at 7:52 pm CDT.
Sunshine
The month with the most sunshine is August, with an average of 11.1h of sunshine.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 7 in August, converts into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dallas, TX
- Average high temperature in August: 96.1°F
The warmest month (with the highest average high temperature) is August (96.1°F).
The month with the lowest average high temperature is January (54.3°F).
- Average low temperature in August: 77.2°F
The month with the highest average low temperature is August (77.2°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).
Average pressure in August
Dallas, TX
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Dallas, TX
- Average wind speed in August: 6.9mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).
Average humidity in August
Dallas, TX
- Average humidity in August: 55%
The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is August (55%).
Average rainfall in August
Dallas, TX
- Average rainfall in August: 2.6"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is February (1.61").
Average rainfall days in August
Dallas, TX
- Average rainfall days in August: 13.3 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in August
Dallas, TX
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in August
Dallas, TX
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Dallas, TX
- Average daylight in August: 13h and 18min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in August: 11h and 6min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in August
Dallas, TX
- Average sunshine days in August: 15 days
The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in August
Dallas, TX
- Average UV index in August: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in August
Dallas, TX
- Average cloud cover in August: 20
The months with the most cloud cover are February and March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in August
Dallas, TX
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
