Climate almanac
Slidell
Louisiana, United States · 30.28°, -89.78°
What is the weather like in Slidell in December?
In December, Slidell is typically 63°F (17°C) during the day and 52°F (11°C) at night. The month brings about 4.1 in (105 mm) of precipitation in total.
- Average high63°F (17°C)
- Average low52°F (11°C)
- Precipitation4.1 in (105 mm)
- Clear or mostly clear days10
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)