Climate almanac
Hillsdale
New Jersey, United States · 41.00°, -74.04°
What is the weather like in Hillsdale in December?
In December, Hillsdale is typically 43°F (6°C) during the day and 31°F (0°C) at night. The month brings about 4.3 in (108 mm) of precipitation in total. Snowfall averages about 4.5 in (115 mm) over the month.
- Average high43°F (6°C)
- Average low31°F (0°C)
- Precipitation4.3 in (108 mm)
- Clear or mostly clear days10
- Snowfall4.5 in (115 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)