Middle of March to end of May. Origin of the Cherry blossom trees are jeju island in the KOREA Republic, like Origin of the Orange trees are Valencia of Spain. Cherry blossom is Signal of Spring season from Jeju island.
Summer season
end of May to end of Sep. 25ºC ~almost 40ºC in Summer time season in K.
Autumn Season
Middle of October ~ end of Novermeber.
Winter Season
Dec.~ beginning of March. We have 16 Ski Resorts in Korea Republic.