December in Porz am Rhein averages a daily high of 6.5°C with nights around 1.1°C. Expect roughly 17.1 wet days totalling 65.7mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Porz am Rhein is May–September.
Based on KOLN BONN, GM (7.4km), 1995–2024. 30 years of December data.