July in Speyer averages a daily high of 26.9°C with nights around 15.2°C. Expect roughly 12 wet days totalling 66.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Speyer is May–September.
Based on WAGHAUSEL KIRRLACH, GM (11.4km), 1995–2024. 30 years of July data.