May in Pforzheim averages a daily high of 19.1°C with nights around 8.1°C. Expect roughly 13.7 wet days totalling 83.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Pforzheim is June–September.
Based on PFORZHEIM ISPRINGEN, GM (5.4km), 1995–2024. 19 years of May data.