Seoul, the capital of South Korea, is a huge metropolis where modern skyscrapers, high-tech subways and pop culture meet Buddhist temples, palaces and street markets. Seoul has a humid subtropical climate influenced by the monsoons. Being in the extreme east Asia, the climate can be described as humid continental with great variation of the precipitation throughout the year and warm to hot summer. The month of April in Seoul experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 46% throughout the month. The highest chance of overcast or mostly cloudy conditions is 47% on April 30. The South Korean won or Korean Republic won is the official currency of South Korea.