Quick Summary
- North (Hanoi, Sapa): Oct-Apr (dry, cooler)
- Central (Hoi An, Hue): Feb-Aug (dry season)
- South (Saigon, Mekong): Dec-Apr (dry season)
- Best overall: Feb-Apr or Oct-Nov
Weather by Region
North Vietnam
Hanoi, Ha Long Bay, Sapa, Ninh Binh
Best: Oct-Apr
Dry and cool. Dec-Feb can be chilly (10-15°C)
Avoid: May-Sep
Hot, humid, heavy rain. Typhoon season.
Central Vietnam
Da Nang, Hoi An, Hue, Nha Trang
Best: Feb-Aug
Warm and dry. Perfect beach weather.
Avoid: Oct-Dec
Monsoon season. Risk of flooding in Hoi An.
South Vietnam
Ho Chi Minh City, Mekong Delta, Phu Quoc
Best: Dec-Apr
Dry season. Consistent 28-32°C.
Wet: May-Nov
Daily afternoon showers. Still warm.
Key Festivals
- Jan/FebTet (Lunar New Year) - Biggest holiday. Many businesses close 1 week.
- Full MoonHoi An Lantern Festival - 14th day of lunar month. Beautiful night market.
- Sep/OctMid-Autumn Festival - Mooncakes and lion dances.