... Sunday, can start in the morning and return in the evening of the same day In Haiphong, you can go swimming at Do Son Beach and visit Cat Ba island and Ha Long bay (Quang Ninh) by boat In Haiphong ... rains and inundations Autumn is the most beautiful season in Hanoi Annual average rainfall in Hanoi is 1,678 mm Temperature in January is 16°C, 28°C in June, and sometimes it reaches 36-38°C The ... Vietnam has to visit this airport and Hanoi is the first city to stop by after going out of the airport Those advantages above make Hanoi an attractive place for an investment in the tourism industry...