San Cugat del Valles experiences a mild climate with distinct seasonal variations. Winters are cool, with average temperatures ranging from around 8-12°C in January and February, and occasional drops below 0°C. Spring brings moderate temperatures, often between 13-17°C, while summers are warm to hot, with averages of 23-25°C and occasional highs above 38°C. Autumn is mild, similar to spring, with temperatures ranging from around 11-17°C. The coldest months are December and January, whereas the warmest month is July.