Climate almanac
Arlington
Washington, United States · 48.20°, -122.13°
What is the weather like in Arlington in January?
In January, Arlington is typically 45°F (7°C) during the day and 37°F (3°C) at night. The month brings about 8.8 in (222 mm) of precipitation in total. Snowfall averages about 4.4 in (111 mm) over the month.
- Average high45°F (7°C)
- Average low37°F (3°C)
- Precipitation8.8 in (222 mm)
- Clear or mostly clear days3
- Snowfall4.4 in (111 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)