May in Torrelavega averages a daily high of 19.5°C with nights around 11.8°C. Expect roughly 13.3 wet days totalling 75.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Torrelavega is May–October.
Based on SANTANDER PARAYAS, SP (19.6km), 1995–2024. 29 years of May data.