June in Santander averages a daily high of 20.3°C with nights around 15.1°C. Expect roughly 10.7 wet days totalling 58.5mm. 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 June data.