Climate almanac
Jefferson
Louisiana, United States · 29.97°, -90.15°
What is the weather like in Jefferson in December?
In December, Jefferson is typically 65°F (18°C) during the day and 53°F (12°C) at night. The month brings about 4.2 in (107 mm) of precipitation in total.
- Average high65°F (18°C)
- Average low53°F (12°C)
- Precipitation4.2 in (107 mm)
- Clear or mostly clear days10
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)