January in Bolingbrook averages a daily high of -0.2°C with nights around -8.3°C. Expect roughly 10.7 wet days totalling 55.3mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Bolingbrook is August–September.
Based on ROMEOVILLE WEATHER FORECAST OFFICE, IL US (10.6km), 1995–2024. 27 years of January data.