January in Belfort averages a daily high of 5.6°C with nights around -0.8°C. Expect roughly 12.4 wet days totalling 49mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Belfort is May–September.
Based on BASEL MULHOUSE, FR (49.3km), 1995–2024. 30 years of January data.