Tarrasa experiences a mild climate with moderate temperatures throughout the year. Winters are cool, with January averaging around 8°C and December around 10°C, occasionally dropping below freezing but rarely staying cold for long periods. Spring is a gradual warming up period, with April and May being the warmest months of the season, reaching highs of up to 24°C and 30°C respectively. Summers are warm, but not hot, with July and August averaging around 25°C, while September brings a slight drop in temperature before the onset of autumn. Autumn is similar to spring, with temperatures gradually cooling down, and November and December returning to winter-like conditions.