July Weather in Slidell, United States

Last updated: June 24, 2025

In July, the average temperature in Slidell, United States hovers around 28°C (83°F), with minimums dipping to 23°C (73°F) and highs reaching up to 34°C (94°F). This period also sees about 189 mm (7.4 in) of precipitation spread over 23 days, contributing to an average humidity of 79%.

July Temperature in Slidell

In July in Slidell, the average temperature is 28°C (83°F). Maximums can reach 34°C (94°F) and minimums can be as low as 23°C (73°F). This climate makes it an ideal time for travelers seeking warm and enjoyable weather.

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

The chart illustrates July temperature patterns in Slidell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Slidell, July typically has an average temperature of 28°C (83°F), with highs reaching up to 34°C (94°F) and lows dropping to around 23°C (73°F).

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

July Precipitation in Slidell

In Slidell in July, the total precipitation amount reaches 189 mm (7.4 in) over a span of 23 days.

July Precipitation Trends in Slidell

The chart displays monthly precipitation patterns in Slidell, 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 Slidell, July typically receives around 189 mm (7.4 inches) of precipitation spread over approximately 23 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 Slidell

In Slidell in July humidity is 79%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities a challenge but also adding a certain tropical charm to your travel experience.

July Average Humidity in Slidell

This chart illustrates the average monthly humidity levels in Slidell, 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 Slidell is approximately 79%, 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 Slidell

In Slidell 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 Slidell.

Maximum UV Index Levels in Slidell for July

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

Data source: Slidell 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 Slidell Compares to Other Months

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

This table compares monthly weather conditions in Slidell, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	98 mm (3.9 inches)	82%	moderate
February Weather	15°C (59°F)	107 mm (4.2 inches)	80%	very high
March Weather	18°C (65°F)	80 mm (3.1 inches)	80%	very high
April Weather	20°C (69°F)	126 mm (5.0 inches)	78%	extreme
May Weather	25°C (77°F)	140 mm (5.5 inches)	73%	extreme
June Weather	27°C (81°F)	223 mm (8.8 inches)	71%	extreme
July Weather	28°C (83°F)	189 mm (7.4 inches)	79%	extreme
August Weather	28°C (83°F)	224 mm (8.8 inches)	78%	extreme
September Weather	27°C (80°F)	130 mm (5.1 inches)	80%	very high
October Weather	23°C (74°F)	126 mm (5.0 inches)	76%	very high
November Weather	16°C (61°F)	60 mm (2.3 inches)	83%	high
December Weather	14°C (57°F)	103 mm (4.1 inches)	87%	moderate