July Weather in Dallas, United States

Last updated: June 24, 2025

In July, the average temperature in Dallas, United States is a warm 26°C (79°F), with a comfortable minimum of 16°C (61°F) and a sunny maximum of 34°C (94°F). Expect an average precipitation of 123 mm (4.9 in) over 18 days, accompanied by a high humidity level of 83%, making it a month to savor the tropical atmosphere while staying prepared for occasional showers.

July Temperature in Dallas

In July in Dallas, the average temperature is 26°C (79°F), with a maximum reaching 34°C (94°F) and a minimum dipping to 16°C (61°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities in Dallas.

July Weather in Dallas: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Dallas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dallas, July typically has an average temperature of 26°C (79°F), with highs reaching up to 34°C (94°F) and lows dropping to around 16°C (61°F).

Data source: Temperature data for Dallas generated using information from the Copernicus Climate Change Service.

July Precipitation in Dallas

In Dallas in July, the precipitation amount is 123 mm (4.9 in) spread over 18 days.

July Precipitation Trends in Dallas

The chart displays monthly precipitation patterns in Dallas, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Dallas, July typically receives around 123 mm (4.9 inches) of precipitation spread over approximately 18 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

July Humidity in Dallas

In Dallas in July, humidity is 83%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket enveloping you, making travel an exercise in endurance as the air clings to your skin and saps your energy.

July Average Humidity in Dallas

This chart illustrates the average monthly humidity levels in Dallas, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Dallas is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Dallas

In Dallas in July, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Dallas.

Maximum UV Index Levels in Dallas for July

The chart shows the monthly maximum UV Index (UVI) for Dallas in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Dallas typically reaches 11, which falls under the extreme exposure category.

Data source: Dallas July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How July Weather in Dallas Compares to Other Months

Weather in Dallas varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Dallas, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Dallas, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	111 mm (4.4 inches)	86%	moderate
February Weather	10°C (51°F)	159 mm (6.3 inches)	84%	high
March Weather	13°C (56°F)	138 mm (5.4 inches)	83%	very high
April Weather	16°C (62°F)	134 mm (5.3 inches)	81%	very high
May Weather	21°C (71°F)	106 mm (4.2 inches)	81%	extreme
June Weather	24°C (76°F)	133 mm (5.3 inches)	81%	extreme
July Weather	26°C (79°F)	123 mm (4.9 inches)	83%	extreme
August Weather	25°C (78°F)	144 mm (5.7 inches)	81%	very high
September Weather	23°C (74°F)	112 mm (4.4 inches)	82%	very high
October Weather	18°C (65°F)	131 mm (5.1 inches)	78%	very high
November Weather	11°C (52°F)	86 mm (3.4 inches)	86%	high
December Weather	9°C (48°F)	137 mm (5.4 inches)	89%	moderate