Korea lies in the temperate zone and has four distinct seasons.

In late March or early April, the trees burst into leafy splendor to mark the beginning of spring. Occasional showers can be expected from March to May. During the relatively hot and rainy Summer season, the vegetation is green and lush. The monsoon rains usually begin at the end of June, however the heaviest rainfall occurs in July. The coming of autumn in late September brings continental winds and clear, dry weather, making the fall months the most pleasant time of year. The vivid golds and vibrant reds of the changing leaves create a colorful panorama. December to February are cold and dry with occasional rain or snow. During the winter months, the cold is normally punctuated by a few warmer days.
Before you leave for Korea, if you would like to know how is the weather like at the time of your expected visit, you may visit the site of Korea Meteorogical Administration or Weather Map.