Bilbao, Spain, experiences a transition in October, moving from the warmth of summer to the cooler temperatures of autumn. Typical conditions include mild days and crisp nights, with increasing rainfall compared to the drier summer months. Average temperatures usually range between 12C and 19C (54F and 66F). This period sees a shift in prevailing winds, bringing more moisture from the Bay of Biscay.
Understanding the climatic nuances of this period is crucial for travelers planning visits to Bilbao. Packing layers of clothing is recommended to accommodate fluctuating temperatures throughout the day. This time of year offers a unique opportunity to experience the city with fewer crowds than the peak summer season, while still enjoying relatively pleasant weather suitable for outdoor activities. Historically, October has marked the transition to the wetter, windier part of the year in this region, influencing local agricultural practices and cultural events.