These are notes on Vietnam weather in October 2026 and what to know before planning travel holidays to Vietnam in 2026, be it your family tour or your travelers’ Vietnam holidays if you are a tour company or travel agency.
General Weather Patterns in Vietnam in October
October is autumn in northern Vietnam with more likely sunny weather, with rain occasionally, and with pleasant temperatures (20-30oC).
October is the rainy season with pleasant temperatures in the Central Coast of Vietnam. This region is to experience mostly rain, some clouds, and with pleasant temperatures. It tends to rain more coming towards the end of the month and into November. Visiting the western mountains of the Central Region of Vietnam in October is not recommended.
October is the high rainy season in the Central Highlands and southern Vietnam. The temperatures in the Central Highlands are 19-31oC and those in southern Vietnam are 25-32/33 oC.
Heavy rain causes landslides in the mountains, and floods in the lowland. Traveling in flooded streets poses dangers of current leakage and open sewers with strong current. There are fatal accidents from time to time related to flooded streets, open sewers with strong flood water current. Mind falling trees and tree branches when traveling in the rain, too.
The prevalent winds in Vietnam in October are
- The Southeasterly Monsoon which blow mostly in northern Vietnam which causes moist air and pleasant temperatures.
- The Westerly Wind, which comes from the Equator and which is a foehn wind after blowing through the Myanmar, Thailand, Laos before hitting part of the Central Coast (Thanh Hoa, Nghe An, Ha Tinh, Quang Binh, Hue), causes clear skies, dry air and hot temperatures. This wind is a regional version of the Southwesterly Monsoon. This wind is not to have impact on the Central Coast mostly due to other more predominant factors such as air troughs, inter-tropical convergence zones, typhoons, Northeasterly Monsoon,...
- The Southwesterly Wind, which comes from the Equator, causes daily rain in the Central Highlands and in southern Vietnam. This wind helps to bring pleasant temperatures in southern Vietnam and in the places on low altitudes of the Central Highlands, cool temperatures in the places on high altitudes. This wind is active in October, hence heavy and long-lasting rain.
Possible Dangers From Extreme Weather:
Weather-related dangers in Vietnam in October may include:
- Flash floods, landslides, rockslides in the far northern mountains of Vietnam;
- Flash floods in the Central Highlands;
- Strong current of open sewer systems in cities in the Central Highlands and in southern Vietnam (especially in Dong Nai and Binh Duong Provinces);
- Leakage current in flooded streets in all over Vietnam after heavy rain.
- Fallen trees due to strong winds, heavy rain.
If there were risks from weather conditions, they should to be updated in the list below.
1/ Northern Vietnam
2/ Central Highlands and Central Coast of Vietnam
3/ Southern Vietnam
Vietnam Weather: First 10 Days of October 2026
Vietnam Weather: Second 10 Days of October 2026
Vietnam Weather: Last 10 Days of October 2026
Disclaimer: Vietnam weather summary is for reviews of Vietnam weather by month on the basis as “it is” to the best of our knowledge. TravelNewsNow does not guarantee the accuracy of our monthly reviews of Vietnam Weather. Our Vietnam Weather Reviews by month must not be used for making travel decisions or for any other purposes. TravelNewsNow disclaims any liability in connection with with the use of our information.