Lie on The north of Vietnam, Hanoi has four distinct seasons each year, those are: spring, summer, fall, winter. Spring months are March, April and May; Summer is June, July, August; autumn is September, October, November; winter is December, January, February.
Summer months, Hanoi is quite hot, the temperature can get about 38oC to 40oC. The weather remains cold and dry in winter, the minimum winter temperature in Hanoi can dip as low as 6oC to 7oC.
The best time to visit Hanoi is about from September to November or from March to April, Because the weather is not too hot or too cold this time, it’s nice and make you comfortable.