Climate almanac
Oak Park
Illinois, United States · 41.89°, -87.78°
What is the weather like in Oak Park in January?
In January, Oak Park is typically 33°F (0°C) during the day and 23°F (-5°C) at night. The month brings about 2.8 in (71 mm) of precipitation in total. Snowfall averages about 9.2 in (234 mm) over the month.
- Average high33°F (0°C)
- Average low23°F (-5°C)
- Precipitation2.8 in (71 mm)
- Clear or mostly clear days4
- Snowfall9.2 in (234 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)