July in Santander averages a daily high of 22.4°C with nights around 17.1°C. Expect roughly 10.3 wet days totalling 46.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Santander is June–October.
Based on SANTANDER CMT, SP (2.9km), 1995–2024. 29 years of July data.