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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the UK Bullet weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above before finalising travel plans. Hanoi’s tropical monsoon climate produces warm temperatures year-round, but the experience differs vastly between the dry winter and intensely wet summer.
How does Hanoi’s weather change throughout the year?
Hanoi has four distinct seasons, making it useful to understand hanoi weather by month before you pack.
- Winter (Dec–Feb): Cool and overcast. hanoi weather december and hanoi weather january range 14–22°C. Light drizzle is common. For comparisons, see the UK weather hub.
- Spring (Mar–Apr): Warming and humid. Temperatures climb 18–28°C. Expect increasing mugginess and light rain.
- Summer (May–Aug): Hot, wet and stormy. Highs reach 38°C. A hanoi weather forecast 30 days is useful for navigating monsoon rains.
- Autumn (Sep–Nov): Cool and crisp. Low humidity and clear skies. A hanoi weather 15 days forecast in October is usually ideal for sightseeing.
How can I get a reliable forecast for Hanoi?
Using the right timescales helps you stay dry and safe during the rainy season.
- Short-range: Use the live forecast above or check the weather in hanoi 10 days for your week-long itinerary.
- Long-range: A hanoi weather forecast 14 days gives reliable rainfall probability trends for trip scheduling.
- Units: Always set your weather app to hanoi weather celsius, which is the standard measurement used across Vietnam.
Does Hanoi experience typhoons?
Yes, typically from July to October. Although Hanoi is inland, the city receives heavy rain, strong winds, and occasional localised flooding from the remnants of typhoons that hit Northern Vietnam.
What should I pack for a trip to Hanoi?
Pack light, breathable layers for the humidity, a waterproof jacket for sudden downpours, and a light jumper for cooler winter evenings. Comfortable, waterproof footwear is highly recommended for exploring.
Is Hanoi’s air quality a concern for visitors?
Yes, air pollution can be significant, particularly in winter when thermal inversions trap pollutants. Visitors with respiratory conditions should monitor air quality indexes alongside the weather forecast during their stay.