Climate almanac
New Castle
Pennsylvania, United States · 41.00°, -80.35°
What is the weather like in New Castle in January?
In January, New Castle is typically 36°F (2°C) during the day and 23°F (-5°C) at night. The month brings about 4.2 in (106 mm) of precipitation in total. Snowfall averages about 8.9 in (227 mm) over the month.
- Average high36°F (2°C)
- Average low23°F (-5°C)
- Precipitation4.2 in (106 mm)
- Clear or mostly clear days3
- Snowfall8.9 in (227 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)