Britain might be chilly, but you can still enjoy balmy weather on the Iberian peninsula Sign up to Simon Calder’s free travel email for expert advice and money-saving discounts Get Simon Calder’s Travel email Get Simon Calder’s Travel email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice Spain , a summer magnet for millions, is often overlooked as a prime winter holiday destination. While far-flung locales in the