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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the NewsPrism weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Hanoi’s weather today is shaped by its tropical monsoon climate — check the live forecast above for the latest conditions, then use the summary below to plan ahead across the seasons.
What makes Hanoi’s weather distinctive?
Hanoi experiences four distinct seasons: a warm, humid spring; a hot, rainy summer; a mild autumn; and a cool, dry winter. The city’s northern location means it gets colder than southern Vietnam, especially from December to February.
- Summer (May–September) brings high humidity and frequent downpours, with average highs around 33°C.
- Winter (December–February) is dry but can drop to 10–15°C, especially at night.
- Spring and autumn offer the most comfortable conditions for sightseeing.
How does Hanoi weather vary by month?
The transition between wet and dry seasons is sharp. For a detailed breakdown, see our 10-day forecast UK page for comparison, or check specific months below.
- Hanoi weather January – coolest month; avg 13–19°C, low rainfall, clear skies.
- Hanoi weather December – similar to January, but occasional drizzle; avg 14–20°C.
- Hanoi weather by month – wet from May to October, dry from November to April.
- Hanoi weather forecast 14 days – reliable for near-term planning; the live forecast above updates daily.
- Weather in Hanoi 10 days – often used by travellers; accuracy is good for temperature trends.
- Hanoi weather forecast 30 days – longer-range outlooks are less precise but give general seasonal cues.
- Hanoi weather 15 days – a middle-ground between short-term and monthly data.
- Hanoi weather celsius – all official forecasts use Celsius; expect 30+°C in summer and 15–20°C in winter.
When is the best time to visit Hanoi?
Spring (March–April) and autumn (October–November) offer mild temperatures and lower humidity. Avoid the peak summer heat and winter chill unless you prefer those extremes.
Does Hanoi ever get cold?
Yes. From December to February, night-time lows can fall below 10°C, especially during northerly cold spells. Pack a jacket if visiting in these months.
How accurate are 30-day forecasts for Hanoi?
Long-range forecasts give a broad seasonal trend but become unreliable beyond 10–14 days. Always refer to the live forecast above for the most up-to-date outlook.
Sources
For UK comparisons, see our national weather hub or check Birmingham, Liverpool and Glasgow forecasts.