January in Jyväskylä averages a daily high of -4.6°C with nights around -11°C. Expect roughly 16.6 wet days totalling 42.6mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Jyväskylä is June–August.
Based on JYVASKYLA LENTOASEMA, FI (18km), 1995–2024. 30 years of January data.