Slidell Weather in August

August in Slidell brings very high temperatures around 33°C (91°F) during the day, dropping to 23°C (73°F) at night, with the most rainfall of the year.

Rainfall in Slidell in August

The month is marked by heavy rainfall, often coming down in intense bursts. Make sure to have a poncho to stay dry. Typically, about 17 days will experience rainfall, with an average of 197 mm (7.8 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Slidell in August

Daytime temperatures in Slidell reach 33°C (91°F) in August, dropping to 23°C (73°F) at night. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With lows around 23°C (73°F), the nights are warm enough that a sheet is usually all you need for bedding. Average temperatures can be deceiving; some days will be hotter. Wear breathable fabrics and drink plenty of water to stay cool.

Sunshine in Slidell in August

There are approximately 251 hours of sunshine this month, resulting in mostly clear days.

If you prefer dry days with pleasant temperatures, August may not be the ideal month to visit Slidell. Our weather planner can help you explore destinations with more pleasant weather conditions.