climate: The climate in Hanoi is representative of the northern climate in Vietnam. There are 4 main seasons in the year: spring, summer, autumn, and winter. The lowest degree in winter is around 10*C compared to the highest 48*C in summer. The humidity is quite high as it is one of the significant characteristics of the tropical monsoon climate.
Besides, it rains a lot in Hanoi due to the influence of the sea and the tropical monsoon climate, especially during autumn time. The best time to visit Hanoi is Spring. At that time, the temperature is not too high or too low, just around 20*C with the light