Ulsan experience humid subtropical climate throughout the year with cold and dry winters and hot and humid summers. Summers continues from June to September with temperature ranging from 64°F to 85°F. The weather becomes very hot and most of the rainfall happens during this season, especially in July and August. Humidity is also at its highest level. So, choosing this season as the best time to travel to Ulsan is strict no no for travelers. From October to early November, autumn season continues. In this season, the temperature falls few degrees and hence, the weather becomes cool. Winters continues from late November to February. The temperature is really cool, ranging from 23° F to 49° F. At the same time, the rainfall is also quite low in this period. That’s why; this winter season is considered as the best time of the year to visit Ulsan. Spring continues from March to May and is popularly known as Cherry blossom season in Ulsan. This is because; in this time of the year Cherry blossoms starts blooming all over Ulsan.