Climate almanac
Green Valley
Maryland, United States · 39.31°, -77.30°
What is the weather like in Green Valley in December?
In December, Green Valley is typically 46°F (8°C) during the day and 33°F (0°C) at night. The month brings about 3.9 in (98 mm) of precipitation in total. Snowfall averages about 1.6 in (40 mm) over the month.
- Average high46°F (8°C)
- Average low33°F (0°C)
- Precipitation3.9 in (98 mm)
- Clear or mostly clear days8
- Snowfall1.6 in (40 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)