The weather in this part of Northern Spain can be glorious! In the summer it never gets unbearably hot and the temperature rarely exceeds 30 degrees. As a general guide, it is usually around 4 degrees warmer than the south of England. Asturias is famous in Spain for its verdant countryside and this is because it rains here more than central and southern Spain. Check out www.aemet.es, the state meteorological website. There is a section dedicated to the Picos de Europa mountains.