Climate almanac
Marengo
Illinois, United States · 42.25°, -88.61°
What is the weather like in Marengo in January?
In January, Marengo is typically 30°F (-1°C) during the day and 18°F (-8°C) at night. The month brings about 2.4 in (62 mm) of precipitation in total. Snowfall averages about 9.5 in (241 mm) over the month.
- Average high30°F (-1°C)
- Average low18°F (-8°C)
- Precipitation2.4 in (62 mm)
- Clear or mostly clear days6
- Snowfall9.5 in (241 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)