Sub-tropical desert climate: very hot summers, mild winters; high humidity on the Gulf, dryer inland. Landscapes: Rub‘ al Khali dunes, Hajar Mountains, warm Persian-Gulf waters. Sports: year-round kitesurfing (Dubai, Abu Dhabi), dune-boarding and fat-biking in Liwa, via-ferrata and zip-line on Jebel Jais, scuba in Fujairah, plus extensive ultra-trail and MTB events in winter.