July in Blois averages a daily high of 26.1°C with nights around 14.6°C. Expect roughly 9 wet days totalling 47.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Blois is May–September.
Based on TOURS, FR (48.2km), 1995–2024. 30 years of July data.