Hanoi's climate is subtropical monsoon, and the annual mean temperature is about 23°C. It has spring-like conditions year-round, with high rainfall ranging from 1,500 to 2,000 mm per year. Most rainfall occurs in June, July, and August; therefore, do not forget to take your rain gear out with you. On the whole, the climate is pretty nice in Hanoi, hence good for travel. However, the detailed change in weather depends on several things, the time, place, and the season in which one undertakes the trip being the three major ones. Therefore, it's important to check the latest weather forecast before setting out on a trip, to make the experience nice and smooth.