Climate almanac
Portsmouth
Ohio, United States · 38.73°, -83.00°
What is the weather like in Portsmouth in December?
In December, Portsmouth is typically 47°F (8°C) during the day and 33°F (0°C) at night. The month brings about 3.9 in (99 mm) of precipitation in total. Snowfall averages about 2.2 in (56 mm) over the month.
- Average high47°F (8°C)
- Average low33°F (0°C)
- Precipitation3.9 in (99 mm)
- Clear or mostly clear days6
- Snowfall2.2 in (56 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)