Climate almanac
Arlington
Washington, United States · 48.20°, -122.13°
What is the weather like in Arlington in December?
In December, Arlington is typically 44°F (7°C) during the day and 36°F (2°C) at night. The month brings about 10 in (262 mm) of precipitation in total. Snowfall averages about 6.7 in (171 mm) over the month.
- Average high44°F (7°C)
- Average low36°F (2°C)
- Precipitation10 in (262 mm)
- Clear or mostly clear days2
- Snowfall6.7 in (171 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)