January in Leeuwarden averages a daily high of 5.4°C with nights around 0.6°C. Expect roughly 17.2 wet days totalling 71.4mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Leeuwarden is June–September.
Based on LEEUWARDEN, NL (4.5km), 1995–2024. 30 years of January data.