January in Boli averages a daily high of -10.5°C with nights around -20.4°C. Expect roughly 3.8 wet days totalling 7.3mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Boli is August–September.
Based on JIXI, CH (59.5km), 1995–2024. 26 years of January data.