Climate almanac
Mount Arlington
New Jersey, United States · 40.93°, -74.63°
What is the weather like in Mount Arlington in December?
In December, Mount Arlington is typically 41°F (5°C) during the day and 29°F (-2°C) at night. The month brings about 4.2 in (107 mm) of precipitation in total. Snowfall averages about 6.1 in (155 mm) over the month.
- Average high41°F (5°C)
- Average low29°F (-2°C)
- Precipitation4.2 in (107 mm)
- Clear or mostly clear days8
- Snowfall6.1 in (155 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)