January in Nijmegen averages a daily high of 5.5°C with nights around 0.4°C. Expect roughly 16.7 wet days totalling 70.5mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Nijmegen is May–September.
Based on KLEVE, GM (18.9km), 1995–2024. 29 years of January data.