The best time to visit Vietnam is generally in spring from March to May or fall from September to November. During these months, the weather across the country is warm, dry, and ideal for sightseeing in popular cities such as Hanoi, Hoi An, and Ha Long Bay.

June is Vietnam's hottest month, especially in the central and southern regions. Temperatures can reach over 95°F in cities like Ho Chi Minh City and Da Nang, with high humidity and extreme heat.

January is usually the coldest month in Vietnam, particularly in the north. In Hanoi and Ha Long Bay, temperatures can dip below 60°F, accompanied by cold, damp air and vast cloud cover, while the south remains warm and sunny.

In the north, Vietnam's rainy season runs from May to September. Central Vietnam sees more rain from September to December, while the south has its rainy season from May to November. Rainfall is often heavy but brief, especially in the afternoons. The average annual rainfall in Vietnam is 100 to 180 rainy days a year, ranging from 47 to 118 inches.

Yes, snow can occasionally fall in December and January at an average of 1–2 days per year, only in mountainous regions such as Sapa or Mount Fansipan in the far north, which are well above sea level. Most of Vietnam, especially the central and southern parts, never sees snow and stays warm all year.

Typhoon season in Vietnam runs from June to November, peaking between August and October. The central and northern coasts are more likely to be affected, especially areas like Da Nang and Ha Long Bay.

Vietnam’s dry season depends on the region. In the south, it lasts from December to April, with sunny skies and low humidity - perfect for outdoor exploring. The north sees drier weather from October to April, while central Vietnam experiences its dry season between February and August.