Climate almanac
Prosser
Washington, United States · 46.21°, -119.77°
What is the weather like in Prosser in January?
In January, Prosser is typically 42°F (5°C) during the day and 29°F (-2°C) at night. The month brings about 1.8 in (45 mm) of precipitation in total. Snowfall averages about 3.1 in (79 mm) over the month.
- Average high42°F (5°C)
- Average low29°F (-2°C)
- Precipitation1.8 in (45 mm)
- Clear or mostly clear days4
- Snowfall3.1 in (79 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)