January in Pori averages a daily high of -1.1°C with nights around -7°C. Expect roughly 13.8 wet days totalling 37.5mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Pori is June–August.
Based on PORI PORIN LENTOASEMA, FI (1.8km), 1995–2024. 21 years of January data.