Temperatures are generally very high in Yemen, particularly in the coastal regions. Rainfall is limited, with variations based on elevation.
Yemeni Riyal (YER) = 100 fils, though amounts under 1 Riyal are rarely quoted. Notes are in denominations of YER1,000, 500, 200, 100 and 50. Coins are in denominations of YER20, 10, 5 and 1.
With Jebel Nugum towering over it, Sana'a sits on the narrowest point of a major mountain plateau, (2.286 metres) above sea level. The region's volcanic origin and regular rainfall make it fertile and it enjoys a temperate climate throughout the year with the occasional sharp frost in the small hours of winter nights. One legend tells of its founding by Shem the son of Noah.