Madrid's climate is very warm and precipitation is rain. The only time it is ever considered "wet" is in October.
Barcelona is located along the Mediterranean Sea, so the weather is hot in the summer and cold in the winter. August is the hottest month, hitting 82 degrees F on average.
Seville has warm summers and mild winters. The hottest months are July and August, when temperatures can reach 99 degrees F. The best time to travel to Seville is the spring, when you'll likely encounter pleasant and mild conditions.
Bilbao is located on Spain's seaside, so the weather ranges throughout the year from 46 to 70 degrees F. Throughout the year there is heavy rainfall and even light snow in the winter.
Valencia has a Mediterranean climate, with hot summers and mild winters. However, the average temperature all year is 62 degrees F. Keep in mind the summers are extremely humid in Valencia.
Article Written By Melissa Warner
Melissa Warner is a freelance writer and editor in Milwaukee, Wis. Her work has appeared in a variety of publications, including "The Irish American Post" and "The London Student." Warner received a Bachelor of Arts in journalism and mass communication from the University of Wisconsin at Milwaukee.