July Weather in Brownsville, United States

Last updated: June 24, 2025

In Brownsville, United States, the average temperature in July hovers around 21°C (70°F), making it a pleasant time to visit. Temperatures can dip as low as 8°C (46°F) and soar up to 37°C (100°F), offering a wide range of experiences. Precipitation is minimal, with just 2 mm (0.1 in) expected over 0 days, while the average humidity sits comfortably at 82%.

July Temperature in Brownsville

In July in Brownsville, the average temperature is 21°C (70°F), with maximums reaching 37°C (100°F) and minimums dipping as low as 8°C (46°F). This range makes it a great time for travelers to enjoy a mix of warm days and cooler evenings, perfect for exploring and outdoor activities.

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

The chart illustrates July temperature patterns in Brownsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brownsville, July typically has an average temperature of 21°C (70°F), with highs reaching up to 37°C (100°F) and lows dropping to around 8°C (46°F).

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

July Precipitation in Brownsville

In Brownsville in July, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

July Precipitation Trends in Brownsville

The chart displays monthly precipitation patterns in Brownsville, 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 Brownsville, July typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 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 Brownsville

In Brownsville in July, humidity is 82%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace that can quickly lead to discomfort for travelers, making outdoor activities less enjoyable and requiring frequent breaks for hydration.

July Average Humidity in Brownsville

This chart illustrates the average monthly humidity levels in Brownsville, 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 Brownsville is approximately 82%, 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 Brownsville

In Brownsville in July, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Brownsville.

Maximum UV Index Levels in Brownsville for July

The chart shows the monthly maximum UV Index (UVI) for Brownsville 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 Brownsville typically reaches 10, which falls under the very high exposure category.

Data source: Brownsville 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 Brownsville Compares to Other Months

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

This table compares monthly weather conditions in Brownsville, 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 (42°F)	144 mm (5.7 inches)	85%	low
February Weather	5°C (42°F)	181 mm (7.1 inches)	84%	moderate
March Weather	8°C (46°F)	125 mm (4.9 inches)	85%	high
April Weather	10°C (51°F)	113 mm (4.4 inches)	83%	high
May Weather	14°C (57°F)	57 mm (2.3 inches)	83%	very high
June Weather	18°C (64°F)	38 mm (1.5 inches)	83%	very high
July Weather	21°C (70°F)	2 mm (0.1 inches)	82%	very high
August Weather	21°C (71°F)	5 mm (0.2 inches)	74%	very high
September Weather	18°C (64°F)	62 mm (2.5 inches)	71%	very high
October Weather	12°C (54°F)	88 mm (3.5 inches)	81%	moderate
November Weather	8°C (47°F)	130 mm (5.1 inches)	87%	moderate
December Weather	5°C (42°F)	182 mm (7.2 inches)	87%	low