Climate almanac
Mamaroneck
New York, United States · 40.95°, -73.73°
What is the weather like in Mamaroneck in December?
In December, Mamaroneck is typically 43°F (6°C) during the day and 32°F (0°C) at night. The month brings about 4.3 in (110 mm) of precipitation in total. Snowfall averages about 3.9 in (99 mm) over the month.
- Average high43°F (6°C)
- Average low32°F (0°C)
- Precipitation4.3 in (110 mm)
- Clear or mostly clear days10
- Snowfall3.9 in (99 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)