October is an ideal time to visit Hanoi as autumn is in full swing, bringing cool and pleasant weather, perfect for sightseeing, learning, and networking during scientific conferences.

Temperature: During this month, the average temperature ranges from 22°C to 28°C, with cooler mornings and evenings, while daytime sees mild sunshine. It marks the transition from the intense heat of summer to the comfort of autumn. Attendees will feel at ease stepping outside and enjoying the weather, whether participating in conference activities or exploring local attractions.

Humidity: Hanoi's average humidity in October is around 70-80%, significantly lower than the summer months. The dry and fresh atmosphere, with minimal rain, creates favorable conditions for outdoor activities and cultural exchanges.

Rainfall: October marks the end of the rainy season, though there can still be occasional short showers, typically in the afternoon or evening. These rain showers are usually brief and unlikely to disrupt schedules. Visitors can rest assured that rain will not greatly impact the conference activities.

Winds and Climate: Autumn breezes bring fresh, slightly chilly air in the early morning and evening, creating a comfortable and enjoyable atmosphere. This distinct autumn charm makes Hanoi particularly appealing not only to locals but also to international visitors.

Tips for Visitors: If this is your first time visiting Hanoi in October, consider bringing lightweight and breathable clothing for daytime, along with a light jacket for the evening. A small umbrella could also be useful in case of occasional rain showers.

Scenic Autumn Landscape: October is the most beautiful season in Hanoi, with golden leaves adorning the trees. Visitors can experience the peaceful and poetic charm of the city, with tree-lined streets, the historic Old Quarter, and especially, leaf-strewn avenues such as Phan Dinh Phung and Hoang Dieu.

October in Hanoi truly is an ideal time not only for significant conferences and events but also for discovering the local culture and friendly atmosphere.