Barcelona, Girona and Tarragona, the main towns in Catalonia (also for cycling) have an average temperature over 10 degrees from March to November. A bit warmer in Tarragona, Barcelona in the middle, and Girona a bit colder. Not bad for cycling anyway.
What about rain. In average, no more than 4 days per month of rain. Most wet months are September and October. Spring can be a bit wet and summer months are hot and dry. May we say "Tour de France" weather?
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