Weather in Slidell in December
The weather in Slidell in December is fickle, ranging from cold to pleasant. Temperatures are between 8 and 19 degrees and there are about 13 days of rain, so it is advised to prepare for both warm and chilly conditions.
Avg Temp
8° - 19°
Avg Rainy Days
13
Avg Dry Days
18
Avg Snow Days
0
Weather Facts - Slidell in December
* The warmest temperature recorded in in December is 29°C
* The coldest temperature recorded in Slidell in December is (-12°C)
* The average rainfall in Slidell in December is 113 mm