Flying over the vast agricultural region of the Rhone Valley. Northern Rhône consistently has a climate of severe winters coupled with warm summers. It is colder than southern Rhône. The differing climates let the two sub-regions specialize in the growth of different grapes. Southern Rhône's warmer climate has mild winters and downright hot summers, making it a more Mediterranean-like climate. The topography in this southern area varies from the peaks of the mountains to the lows of the valleys