Climate almanac
Monmouth
Illinois, United States · 40.91°, -90.65°
What is the weather like in Monmouth in March?
In March, Monmouth is typically 53°F (11°C) during the day and 35°F (1°C) at night. The month brings about 3.9 in (100 mm) of precipitation in total. Snowfall averages about 3.0 in (77 mm) over the month.
- Average high53°F (11°C)
- Average low35°F (1°C)
- Precipitation3.9 in (100 mm)
- Clear or mostly clear days8
- Snowfall3.0 in (77 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)