Climate almanac
Union Gap
Washington, United States · 46.56°, -120.48°
What is the weather like in Union Gap in January?
In January, Union Gap is typically 40°F (4°C) during the day and 27°F (-3°C) at night. The month brings about 2.9 in (74 mm) of precipitation in total. Snowfall averages about 8.5 in (216 mm) over the month.
- Average high40°F (4°C)
- Average low27°F (-3°C)
- Precipitation2.9 in (74 mm)
- Clear or mostly clear days5
- Snowfall8.5 in (216 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)