The weather in Slidell in August is very hot. The average temperatures are between 25°C and 32°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of August in Slidell.
Slidell should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Slidell in August 2025.
If you’re planning to visit Slidell in the near future, we highly recommend that you review the 14 day weather forecast for Slidell before you arrive.
Temperatures
32° / 25°
Rainy Days
20
Snowy Days
0
Dry Days
11
Rainfall
244
mm
Sun Hours
5.6
Hrs
