July Weather in Dallas, United States

Last updated: June 24, 2025

In Dallas, United States, the average temperature in July hovers around 27°C (80°F). Expect minimums of 17°C (63°F) and maximums reaching up to 37°C (99°F). During this time, the area experiences 98 mm (3.9 in) of precipitation over roughly 16 days, contributing to an average humidity level of around 80%.

July Temperature in Dallas

In July in Dallas, the average temperature is 27°C (80°F). Maximums can reach 37°C (99°F), and minimums can drop as low as 17°C (63°F). It’s a great time for travelers to enjoy the warm weather while exploring all that Dallas has to offer.

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 27°C (80°F), with highs reaching up to 37°C (99°F) and lows dropping to around 17°C (63°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 total precipitation amount is 98 mm (3.9 in) recorded over a span of 16 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 98 mm (3.9 inches) of precipitation spread over approximately 16 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 80%. With an average temperature of 27°C (80°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities feel more exhausting and sticky, and challenging you to stay hydrated while exploring.

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 80%, 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	6°C (43°F)	94 mm (3.7 inches)	86%	moderate
February Weather	9°C (49°F)	124 mm (4.9 inches)	85%	high
March Weather	12°C (54°F)	94 mm (3.7 inches)	84%	very high
April Weather	16°C (62°F)	117 mm (4.6 inches)	82%	very high
May Weather	21°C (71°F)	120 mm (4.7 inches)	83%	very high
June Weather	25°C (77°F)	92 mm (3.6 inches)	82%	extreme
July Weather	27°C (80°F)	98 mm (3.9 inches)	80%	extreme
August Weather	26°C (78°F)	119 mm (4.7 inches)	74%	very high
September Weather	23°C (74°F)	130 mm (5.1 inches)	75%	very high
October Weather	18°C (65°F)	107 mm (4.2 inches)	79%	very high
November Weather	10°C (51°F)	96 mm (3.8 inches)	87%	moderate
December Weather	8°C (47°F)	126 mm (5.0 inches)	87%	moderate