Climate almanac
Monmouth
Oregon, United States · 44.85°, -123.23°
What is the weather like in Monmouth in January?
In January, Monmouth is typically 48°F (9°C) during the day and 37°F (3°C) at night. The month brings about 7.7 in (196 mm) of precipitation in total. Snowfall averages about 1.4 in (36 mm) over the month.
- Average high48°F (9°C)
- Average low37°F (3°C)
- Precipitation7.7 in (196 mm)
- Clear or mostly clear days4
- Snowfall1.4 in (36 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)