As it's being located in the eastern Asian continent and surrounding the peninsula on three sides, it has distinct seasonal wind which usually comes out on the border between continent and ocean.

Namely, a cold and dry north-western seasonal wind from the continent makes cold and dry climate in the winter, a hot and humid climate comes out due to the hot and humid east-southern seasonal wind from the oceanic tropic source.

The climate of Busan does not differ greatly from the typical climate of the Korean peninsula. It is very similar to the continental climate, having both hot summers and cold winters. The yearly average temperature of Busan is recorded at 14.4℃, with the lowest temperature in January and the highest in August.

The yearly local average precipitation is 1,491.6 mm, making it one of the top four precipitation areas in the peninsula. The yearly average local humidity is recorded at 66%, but at 80% during summer time. However, in winter, the humidity drops to as low as 50%, which is mainly caused by high atmospheric pressure typical of the continental climate and by the mountainous terrain of the Busan area.