January in Haninge averages a daily high of 1.4°C with nights around -3.4°C. Expect roughly 13.2 wet days totalling 44.8mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Haninge is June–August.
Based on HARSFJARDEN, SW (11km), 1995–2024. 24 years of January data.