San Adrian de Besos, Spain experiences a temperate climate with mild winters and warm summers. Winters are cool, with January being the coldest month, averaging around 8°C, while summer months of June, July, and August are hot, with temperatures often reaching up to 38°C. Spring is mild, with April and May being pleasant, averaging around 13°C and 17°C respectively. Autumn is also relatively cool, with September being the warmest month in this season, averaging around 22°C. The temperature fluctuations between seasons are moderate, but overall, the region enjoys a comfortable climate throughout the year.