January in Speyer averages a daily high of 5.3°C with nights around -0.4°C. Expect roughly 13.8 wet days totalling 50.4mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Speyer is May–September.
Based on WAGHAUSEL KIRRLACH, GM (11.4km), 1995–2024. 30 years of January data.