<P> The mountain ranges in the northern and eastern parts of North Korea form the watershed for most of its rivers, which run in a westerly direction and empty into the Yellow Sea and Korea Bay . The longest is the Amnok River, which is navigable for 678 km of its 790 kilometres (490 mi). The Duman River, one of the few major rivers to flow into the Sea of Japan (East Sea of Korea), is the second longest at 521 kilometres (324 mi) but is navigable for only 85 kilometres (53 mi) because of the mountainous topography . </P> <P> The third longest river, the Daedong River, flows through Pyongyang and is navigable for 245 of its 397 km . Lakes tend to be small because of the lack of glacial activity and the stability of the Earth's crust in the region . Unlike neighboring Japan or northern China, North Korea experiences few severe earthquakes . The country has a number of natural spas and hot springs, which number 124 according to one North Korean source . </P> <P> North Korea has a combination of a continental climate and an oceanic climate, with four distinct seasons . Most of North Korea is classified as being of a humid continental climate within the Köppen climate classification scheme, with warm summers and cold, dry winters . In summer, there is a short rainy season called changma . </P> <P> Long winters bring bitter cold and clear weather interspersed with snow storms as a result of northern and northwestern winds that blow from Siberia . The daily average high and low temperatures for Pyongyang in January are − 3 and − 13 ° C (27 and 9 ° F). On average, it snows thirty - seven days during the winter . Winter can be particularly harsh in the northern, mountainous regions . </P>

What is the climate like in north korea