- Winter season in northern Vietnam lasts from November to April; from early February to the end of March
- There is a persistent drizzling rain, and March and April sometimes are considered to be a transitional period.
- The summer in northern Vietnam lasts from April or May to October and is characterized by heat, heavy rain, and occasional typhoons. In central
- Southern Vietnam the southwest monsoon winds between June and November bring rains and occasional typhoons to the eastern slopes of the mountains and the lowland plains.
Climate and Geographic Factors
- Winter season in northern Vietnam lasts from November to April; from early February to the end of March
- There is a persistent drizzling rain, and March and April sometimes are considered to be a transitional period.
- The summer in northern Vietnam lasts from April or May to October and is characterized by heat, heavy rain, and occasional typhoons. In central
- Southern Vietnam the southwest monsoon winds between June and November bring rains and occasional typhoons to the eastern slopes of the mountains and the lowland plains.