July Weather in Port Lavaca, United States

Last updated: June 24, 2025

In July, the average temperature in Port Lavaca, United States reaches a warm 29°C (84°F). The climate can be quite varied, with a minimum of 21°C (70°F) and maximum highs soaring to 35°C (96°F). Expect 104 mm (4.1 in) of precipitation spread over 13 days, contributing to an average humidity of 71%. Enjoy the warmth, but don’t forget your umbrella!

July Temperature in Port Lavaca

In July in Port Lavaca, the average temperature is 29°C (84°F). Maximums can reach 35°C (96°F), and minimums can be as low as 21°C (70°F). This warm climate makes Port Lavaca an ideal destination for travelers seeking sunny weather and outdoor activities.

July Weather in Port Lavaca: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Port Lavaca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Lavaca, July typically has an average temperature of 29°C (84°F), with highs reaching up to 35°C (96°F) and lows dropping to around 21°C (70°F).

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

July Precipitation in Port Lavaca

In Port Lavaca in July, the precipitation amount is 104 mm (4.1 in) over the course of 13 days.

July Precipitation Trends in Port Lavaca

The chart displays monthly precipitation patterns in Port Lavaca, 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 Port Lavaca, July typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 13 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 Port Lavaca

In Port Lavaca in July, humidity is 71%. With an average temperature of 29°C (84°F), this humidity feels like a warm, heavy blanket enveloping you, making traveling quite uncomfortable as the air clings to your skin and requires frequent breaks to stay hydrated.

July Average Humidity in Port Lavaca

This chart illustrates the average monthly humidity levels in Port Lavaca, 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 Port Lavaca is approximately 71%, 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 Port Lavaca

In Port Lavaca in July, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Port Lavaca.

Maximum UV Index Levels in Port Lavaca for July

The chart shows the monthly maximum UV Index (UVI) for Port Lavaca 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 Port Lavaca typically reaches 12, which falls under the extreme exposure category.

Data source: Port Lavaca 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 Port Lavaca Compares to Other Months

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

This table compares monthly weather conditions in Port Lavaca, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (57°F)	52 mm (2.0 inches)	78%	moderate
February Weather	15°C (60°F)	52 mm (2.1 inches)	81%	very high
March Weather	20°C (67°F)	57 mm (2.3 inches)	76%	very high
April Weather	22°C (72°F)	59 mm (2.3 inches)	79%	extreme
May Weather	26°C (79°F)	114 mm (4.5 inches)	79%	extreme
June Weather	28°C (83°F)	141 mm (5.6 inches)	74%	extreme
July Weather	29°C (84°F)	104 mm (4.1 inches)	71%	extreme
August Weather	29°C (85°F)	112 mm (4.4 inches)	68%	extreme
September Weather	27°C (81°F)	148 mm (5.8 inches)	73%	extreme
October Weather	23°C (74°F)	81 mm (3.2 inches)	75%	very high
November Weather	18°C (65°F)	61 mm (2.4 inches)	78%	high
December Weather	16°C (60°F)	64 mm (2.5 inches)	84%	moderate