Weather.
Month-by-month guidance on when to visit each region.
What is the best time of year to visit Hanoi?
October to April — dry, cool, and clear. June–August are hot and wet. Monthly temperature and rainfall breakdown to plan your trip.
How cold does Hanoi get in winter — do I need a coat?
Yes. Hanoi in January averages 10–17°C with wind chill from humidity. It's not Arctic, but it's cold enough to need a real jacket. What to pack.
Is Hanoi worth visiting in summer despite the heat and rain?
Yes, with caveats. June–August is 32–38°C with afternoon storms. But fewer tourists, cheaper hotels, and summer-specific foods make it work. How to adapt.
When does Hoi An flood and should I avoid visiting in October?
Hoi An floods annually late Oct–Nov, 30cm–1m+ depth. Some businesses stay open. What to expect, whether to cancel, and how to prepare.
Can I swim at Hoi An beaches year-round?
Hoi An beach swimming: best March–August, rough October–November (typhoon season). January–February cool, windy. Full 2026 seasonal guide.
Does it rain all day during Saigon's rainy season?
No — rain typically falls in afternoon bursts (2–4pm) lasting 30–90 minutes. Mornings are usually clear. This pattern holds May through October with some exceptions.
Is Saigon's rainy season a bad time to visit?
Not bad — rain is predictable (afternoon showers, 2–4pm), mornings stay clear, and prices drop. May–November is manageable with adjusted expectations.