July Weather in Port Sulphur, United States

Last updated: June 24, 2025

In July, the average temperature in Port Sulphur, United States hovers around 28°C (83°F), perfect for enjoying the warm weather. Expect minimums of 25°C (76°F) and maximums reaching 32°C (90°F). However, be prepared for frequent rain, with 238 mm (9.4 in) of precipitation spread over 20 days, contributing to an average humidity of 75%. Whether you're planning outdoor adventures or cozy indoor activities, this month offers a unique blend of warmth and moisture.

July Temperature in Port Sulphur

In July in Port Sulphur, the average temperature is 28°C (83°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as 25°C (76°F). This pleasant climate makes Port Sulphur an ideal destination for travelers seeking warm weather and sunshine.

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

The chart illustrates July temperature patterns in Port Sulphur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Sulphur, July typically has an average temperature of 28°C (83°F), with highs reaching up to 32°C (90°F) and lows dropping to around 25°C (76°F).

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

July Precipitation in Port Sulphur

In Port Sulphur in July, the precipitation amount is 238 mm (9.4 in) spread over 20 days.

July Precipitation Trends in Port Sulphur

The chart displays monthly precipitation patterns in Port Sulphur, 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 Sulphur, July typically receives around 238 mm (9.4 inches) of precipitation spread over approximately 20 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 Port Sulphur

In Port Sulphur in July humidity is 75%. With an average temperature of 28°C (83°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel particularly heavy, and prompting frequent breaks in the shade to stay comfortable while traveling.

July Average Humidity in Port Sulphur

This chart illustrates the average monthly humidity levels in Port Sulphur, 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 Sulphur is approximately 75%, 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 Sulphur

In Port Sulphur 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 Sulphur.

Maximum UV Index Levels in Port Sulphur for July

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

Data source: Port Sulphur 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 Sulphur Compares to Other Months

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

This table compares monthly weather conditions in Port Sulphur, 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)	106 mm (4.2 inches)	80%	moderate
February Weather	16°C (61°F)	91 mm (3.6 inches)	79%	very high
March Weather	18°C (65°F)	69 mm (2.7 inches)	79%	very high
April Weather	21°C (70°F)	107 mm (4.2 inches)	80%	extreme
May Weather	25°C (77°F)	119 mm (4.7 inches)	74%	extreme
June Weather	27°C (81°F)	195 mm (7.7 inches)	72%	extreme
July Weather	28°C (83°F)	238 mm (9.4 inches)	75%	extreme
August Weather	28°C (83°F)	272 mm (10.7 inches)	74%	extreme
September Weather	27°C (81°F)	162 mm (6.4 inches)	79%	extreme
October Weather	24°C (76°F)	124 mm (4.9 inches)	77%	very high
November Weather	19°C (66°F)	52 mm (2.1 inches)	81%	high
December Weather	16°C (61°F)	113 mm (4.4 inches)	83%	moderate