Your Vietnam adventure travel holiday is just a few days away and scrambling to know as much as possible before you go. With Vietnam tips and tricks below, the only thing you'll feel before you go on your family adventure vacation is excitement! The Best Time to Visit Vietnam Vietnam's weather is complex and seasons differ depending on your destination. The north is warm, dry and sunny between September and December, though you' will need warm clothes for cold evenings in the mountains. December to February can be astonishingly cold with temperatures as low as 10*C. The rainy season begins in June with intense downpours. The Central portion has a wet weather, even if the dry season lasts from February to May, after which is humid and rainy, with temperatures about 30*C. Between November and January, the rains drop. The dry period in the lower east coast and South lasts from December to May, and then it is followed by a rainy season. Money and Valuables ...