Climate almanac
Union
Ohio, United States · 39.90°, -84.31°
What is the weather like in Union in December?
In December, Union is typically 43°F (6°C) during the day and 29°F (-1°C) at night. The month brings about 3.2 in (81 mm) of precipitation in total. Snowfall averages about 2.8 in (70 mm) over the month.
- Average high43°F (6°C)
- Average low29°F (-1°C)
- Precipitation3.2 in (81 mm)
- Clear or mostly clear days6
- Snowfall2.8 in (70 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)