July Weather in Houston, United States

Last updated: June 24, 2025

In July, the average temperature in Houston, United States hovers around 26°C (78°F). Temperatures can swing from a refreshing 15°C (59°F) to a sweltering 37°C (98°F). Be prepared for some rain, as 75 mm (2.9 in) of precipitation is expected over 10 days. Additionally, you can expect a humidity level of 76%, making it a moist but delightful month!

July Temperature in Houston

In July in Houston, the average temperature is 26°C (78°F), with maximums reaching up to 37°C (98°F) and minimums dropping as low as 15°C (59°F). This makes it a perfect time for travelers to enjoy outdoor activities while being prepared for warm days and cooler evenings.

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

The chart illustrates July temperature patterns in Houston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Houston, July typically has an average temperature of 26°C (78°F), with highs reaching up to 37°C (98°F) and lows dropping to around 15°C (59°F).

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

July Precipitation in Houston

In Houston in July, the precipitation amount is 75 mm (2.9 in) spread over a period of 10 days.

July Precipitation Trends in Houston

The chart displays monthly precipitation patterns in Houston, 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 Houston, July typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 10 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 Houston

In Houston in July humidity is 76%. With an average temperature of 26°C (78°F), this humidity feels like a warm, tropical embrace, making travel feel like a stroll through a steamy rainforest, where the air clings to your skin and every step can leave you drenched, yet there's a certain charm in the lush scenery and vibrant life all around.

July Average Humidity in Houston

This chart illustrates the average monthly humidity levels in Houston, 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 Houston is approximately 76%, 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 Houston

In Houston 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 Houston.

Maximum UV Index Levels in Houston for July

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

Data source: Houston 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 Houston Compares to Other Months

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

This table compares monthly weather conditions in Houston, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (35°F)	73 mm (2.9 inches)	83%	moderate
February Weather	3°C (38°F)	100 mm (3.9 inches)	81%	high
March Weather	9°C (48°F)	138 mm (5.4 inches)	80%	high
April Weather	13°C (55°F)	170 mm (6.7 inches)	80%	very high
May Weather	18°C (65°F)	188 mm (7.4 inches)	83%	extreme
June Weather	23°C (74°F)	67 mm (2.7 inches)	83%	extreme
July Weather	26°C (78°F)	75 mm (2.9 inches)	76%	extreme
August Weather	24°C (76°F)	97 mm (3.8 inches)	69%	very high
September Weather	22°C (72°F)	42 mm (1.6 inches)	68%	very high
October Weather	15°C (58°F)	117 mm (4.6 inches)	72%	high
November Weather	7°C (45°F)	68 mm (2.7 inches)	83%	moderate
December Weather	5°C (41°F)	63 mm (2.5 inches)	86%	moderate