July Weather in Colleyville, United States

Last updated: June 24, 2025

In Colleyville, United States, the average temperature in July reaches a warm 30°C (85°F), with a minimum of 18°C (64°F) and a scorching maximum of 42°C (109°F). Expect a total precipitation of around 40 mm (1.6 in) over 7 days, and be prepared for an average humidity level of 73%.

July Temperature in Colleyville

In July in Colleyville, the average temperature is 30°C (85°F), with maximums reaching up to 42°C (109°F) and minimums dropping as low as 18°C (64°F). This makes it a great time for travelers to enjoy warm weather, but it's important to stay hydrated and seek shade during the hottest parts of the day.

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

The chart illustrates July temperature patterns in Colleyville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Colleyville, July typically has an average temperature of 30°C (85°F), with highs reaching up to 42°C (109°F) and lows dropping to around 18°C (64°F).

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

July Precipitation in Colleyville

In Colleyville in July, the precipitation amount is 40 mm (1.6 in) over a span of 7 days.

July Precipitation Trends in Colleyville

The chart displays monthly precipitation patterns in Colleyville, 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 Colleyville, July typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 7 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Colleyville

In Colleyville in July humidity is 73%. With an average temperature of 30°C (85°F), this humidity feels like a thick, warm blanket wrapping around you, making outdoor activities quite taxing and the air feel heavy, which can be challenging for traveling.

July Average Humidity in Colleyville

This chart illustrates the average monthly humidity levels in Colleyville, 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 Colleyville is approximately 73%, 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 Colleyville

In Colleyville 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 Colleyville.

Maximum UV Index Levels in Colleyville for July

The chart shows the monthly maximum UV Index (UVI) for Colleyville 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 Colleyville typically reaches 11, which falls under the extreme exposure category.

Data source: Colleyville 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 Colleyville Compares to Other Months

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

This table compares monthly weather conditions in Colleyville, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	52 mm (2.0 inches)	80%	moderate
February Weather	9°C (49°F)	89 mm (3.5 inches)	79%	high
March Weather	16°C (60°F)	100 mm (3.9 inches)	78%	very high
April Weather	18°C (65°F)	104 mm (4.1 inches)	78%	very high
May Weather	24°C (75°F)	150 mm (5.9 inches)	81%	extreme
June Weather	27°C (82°F)	88 mm (3.5 inches)	78%	extreme
July Weather	30°C (85°F)	40 mm (1.6 inches)	73%	extreme
August Weather	29°C (85°F)	87 mm (3.4 inches)	66%	extreme
September Weather	26°C (79°F)	79 mm (3.1 inches)	65%	very high
October Weather	20°C (68°F)	133 mm (5.2 inches)	72%	very high
November Weather	13°C (56°F)	54 mm (2.1 inches)	82%	high
December Weather	11°C (51°F)	52 mm (2.0 inches)	87%	moderate