January in Kiel averages a daily high of 4.2°C with nights around 0°C. Expect roughly 15.9 wet days totalling 67.3mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Kiel is June–September.
Based on KIEL HOLTENAU, GM (6.1km), 1995–2024. 23 years of January data.