Climate almanac
Washington
Indiana, United States · 38.66°, -87.17°
What is the weather like in Washington in December?
In December, Washington is typically 47°F (8°C) during the day and 32°F (0°C) at night. The month brings about 3.8 in (97 mm) of precipitation in total. Snowfall averages about 1.7 in (44 mm) over the month.
- Average high47°F (8°C)
- Average low32°F (0°C)
- Precipitation3.8 in (97 mm)
- Clear or mostly clear days7
- Snowfall1.7 in (44 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)