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August Weather in Slidell, United States

Last updated: June 24, 2025

In August, Slidell, United States experiences an average temperature of 28°C (83°F), with a minimum of 23°C (74°F) and a maximum of 34°C (93°F). Expect drenched days, as precipitation averages 224 mm (8.8 in) over 22 days, accompanied by an average humidity of 78%. Prepare for a tropical atmosphere that bathes the region in warmth and moisture!

August Temperature in Slidell

In August in Slidell, the average temperature is 28°C (83°F), with maximums reaching 34°C (93°F) and minimums dropping to as low as 23°C (74°F). This warm climate makes it an ideal destination for travelers seeking pleasant weather and outdoor activities.

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

The chart illustrates August 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, August typically has an average temperature of 28°C (83°F), with highs reaching up to 34°C (93°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec545964697781838380746157
Data source: Temperature data for Slidell generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Slidell

In Slidell in August, the precipitation amount is 224 mm (8.8 in) spread over 22 days.

August Precipitation Trends in Slidell

The chart displays monthly precipitation patterns in Slidell, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Slidell, August typically receives around 224 mm (8.8 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec981078012614022318922413012760103
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Slidell

In Slidell in August, humidity is 78%. With an average temperature of 28°C (83°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities perspire more quickly and requiring frequent breaks in the shade for comfort.

August Average Humidity in Slidell

This chart illustrates the average monthly humidity levels in Slidell, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Slidell is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%78%73%71%79%78%80%76%83%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Slidell

In Slidell in August, 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 Slidell.

Maximum UV Index Levels in Slidell for August

The chart shows the monthly maximum UV Index (UVI) for Slidell in August, 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 August, the maximum UV index in Slidell typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121110864
Data source: Slidell August 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 August 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 August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)98 mm (3.9 inches)82%moderate
February Weather15°C (59°F)107 mm (4.2 inches)80%very high
March Weather18°C (65°F)80 mm (3.1 inches)80%very high
April Weather20°C (69°F)126 mm (5.0 inches)78%extreme
May Weather25°C (77°F)140 mm (5.5 inches)73%extreme
June Weather27°C (81°F)223 mm (8.8 inches)71%extreme
July Weather28°C (83°F)189 mm (7.4 inches)79%extreme
August Weather28°C (83°F)224 mm (8.8 inches)78%extreme
September Weather27°C (80°F)130 mm (5.1 inches)80%very high
October Weather23°C (74°F)126 mm (5.0 inches)76%very high
November Weather16°C (61°F)60 mm (2.3 inches)83%high
December Weather14°C (57°F)103 mm (4.1 inches)87%moderate

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