Chumporn district that has been influenced by the southwest monsoon and northeast monsoon. Cause the following season, only 2 seasons.
Summer months from February to May in this range by the eastern coast of the South. Has been the influence of the southwest monsoon.
Month rainy season from June to January, which is the northeast monsoon to blow into the southern Gulf of Thailand. The air mass with high humidity. When vertical hills vs. Sri Tanaw resulting frequent rain throughout the provinces. Rainfall average 2,200 mm.