The climate in general is very hot, with temperatures rising to or more in mid-summer. About of rain falls annually in the Hajar Mountains in the north but the bulk of the country is very dry, with the exception of the southeastern coastal area which is humid and is subject to the khareef, a seasonal southeastern monsoon that brings rain and fog to coastal areas. In the summer, the weather pattern over the whole of the Arabian Peninsula is very static with a low pressure weather system stationary over the area. The low-albedo desert interior heats up and the hot air rises, but the humidity is so low that no clouds form. Dust however does get wafted aloft giving rise to the hazy conditions often seen here.