Climate almanac
Johnstown
New York, United States · 43.01°, -74.37°
What is the weather like in Johnstown in December?
In December, Johnstown is typically 35°F (2°C) during the day and 23°F (-5°C) at night. The month brings about 4.6 in (116 mm) of precipitation in total. Snowfall averages about 12 in (299 mm) over the month.
- Average high35°F (2°C)
- Average low23°F (-5°C)
- Precipitation4.6 in (116 mm)
- Clear or mostly clear days3
- Snowfall12 in (299 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)