July in Neuwied averages a daily high of 23.5°C with nights around 13.4°C. Expect roughly 13.8 wet days totalling 74.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Neuwied is June–September.
Based on HUMMERICH, GM (14.8km), 1995–2024. 20 years of July data.