July weather forecast
Dallas, TX

Dallas, Texas, modern city skyscrapers, just before sunset
Dallas, Texas, modern city skyscrapers, just before sunset

Weather in July

July in Dallas, Texas, is a sweltering summer month, with an average temperature varying between 95.2°F (35.1°C) and 76.6°F (24.8°C).

Temperature

In Dallas, the average high-temperature in July is practically the same as in June - a sweltering 95.2°F (35.1°C). In Dallas, Texas, the average low-temperature is 76.6°F (24.8°C).

Heat index

The average heat index in July is estimated at a life-threatening hot 113.5°F (45.3°C). Beware: Heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'felt air temperature', or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like activity, pregnancy, differences in body mass, height, and shape, and wind affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged 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. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 99.5°F (37.5°C) to 100.9°F (38.3°C), thermal conditions are potentially life-threatening.

Humidity

The average relative humidity in July is 60%.

Rainfall

In July, in Dallas, the rain falls for 13.1 days. Throughout July, 2.01" (51mm) of precipitation is accumulated. In Dallas, 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 in Dallas, Texas.

Daylight

In July, the average length of the day in Dallas is 14h and 4min.
On the first day of July in Dallas, sunrise is at 6:22 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 8:26 pm CDT.

Sunshine

In Dallas, Texas, the average sunshine in July is 11h.

UV index

The months with the highest UV index in Dallas are May through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 7 in July transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in July in Dallas?

In Dallas, Texas, in July, the average high-temperature is 95.2°F (35.1°C), and the average low-temperature is 76.6°F (24.8°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 113.5°F (45.3°C).

What is the average humidity in July in Dallas?

In July, the average relative humidity in Dallas is 60%.

How much does it rain in Dallas in July?

In Dallas, Texas, in July, during 13.1 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

When it does not snow in Dallas?

In Dallas, snow does not fall in March through October.

How many hours of daylight does Dallas have in July?

The average day length in July in Dallas, Texas, is 14h and 4min.

When is the sunrise / sunset in July in Dallas?

On the first day of July in Dallas, sunrise is at 6:22 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 8:26 pm CDT.

How many hours of sunshine does Dallas have in July?

In Dallas, the average sunshine duration in July is 11h.

When is the highest UV index in Dallas?

May through August, with an average maximum UV index of 7, are months with the highest UV index in Dallas.

What is the UV index reading in July in Dallas?

The average daily maximum UV index in July is 7. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Dallas, TX

Average temperature in July - Dallas, TX
  • Average high temperature in July: 95.2°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 July: 76.6°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).

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Average pressure in July
Dallas, TX

Average pressure in July - Dallas, TX
  • Average pressure in July: 29.95"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).

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Average wind speed in July
Dallas, TX

Average wind speed in July - Dallas, TX
  • Average wind speed in July: 7.3mph

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).

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Average humidity in July
Dallas, TX

Average humidity in July - Dallas, TX
  • Average humidity in July: 60%

The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is August (55%).

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Average rainfall in July
Dallas, TX

Average rainfall in July - Dallas, TX
  • Average rainfall in July: 2.01"

The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is February (1.61").

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Average rainfall days in July
Dallas, TX

Average rainfall days in July - Dallas, TX
  • Average rainfall days in July: 13.1 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).

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Average snowfall in July
Dallas, TX

Average snowfall in July - Dallas, TX
  • Average snowfall in July: 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").

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Average snowfall days in July
Dallas, TX

Average snowfall days in July - Dallas, TX
  • Average snowfall days in July: 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).

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Average daylight in July /
Average sunshine in July
Dallas, TX

Average daylight in July / Average sunshine in July - Dallas, TX
  • Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 17min).
The month with the shortest days is December (Average daylight: 10h and 2min).

  • Average sunshine in July: 11h and 0min

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).

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Average sunshine days in July
Dallas, TX

Average sunshine days in July - Dallas, TX
  • Average sunshine days in July: 15.1 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).

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Average UV index in July
Dallas, TX

Average UV index in July - Dallas, TX
  • Average UV index in July: 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).

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Average cloud cover in July
Dallas, TX

Average cloud cover in July - Dallas, TX
  • Average cloud cover in July: 22

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).

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Average visibility in July
Dallas, TX

Average visibility in July - Dallas, TX
  • Average visibility in July: 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).

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