PlanoPlanoOctober through December and March to April offer the best conditions. October and November are standout months with clear skies, comfortable temperatures, and ideal Ha Long Bay conditions. Avoid June through August when monsoon rains are heaviest.
| Month | Temp | Rain | Crowds | Prices |
|---|---|---|---|---|
| January | 17°C | 20mm | Medium | Moderate |
| February | 18°C | 25mm | Medium | Moderate |
| MarchBest | 20°C | 40mm | Medium | Moderate |
| AprilBest | 24°C | 80mm | Medium | Moderate |
| May | 28°C | 190mm | Low | Budget |
| June | 30°C | 240mm | Low | Budget |
| July | 30°C | 285mm | Low | Budget |
| August | 29°C | 320mm | Low | Budget |
| September | 28°C | 250mm | Low | Budget |
| OctoberBest | 25°C | 130mm | High | Moderate |
| NovemberBest | 22°C | 45mm | High | Moderate |
| DecemberBest | 18°C | 15mm | High | Moderate |
March and April bring rising temperatures (20-24°C) with occasional drizzle. The city is green and atmospheric. Tet (Vietnamese New Year) in January/February is the most important cultural event.
Hot, humid, and very rainy (28-30°C). The monsoon brings heavy afternoon downpours. Ha Long Bay trips can be affected by weather. Authentic local atmosphere without tourist crowds.
October and November bring the best weather — clear skies, moderate temperatures (22-25°C), and low humidity. Ha Long Bay excursions have the best conditions. The city buzzes with autumn energy.
Cool and dry (17-18°C) with overcast skies and occasional cold snaps. The Old Quarter's pho stalls and egg coffee shops are at their coziest. December is popular but manageable.
January
September
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Plan my Hanoi tripOctober through December is the busiest tourist period with the best weather. Tet (Vietnamese New Year, January/February) is busy with domestic travelers but many businesses close.
June through August (monsoon season) offers the lowest prices. The rain is usually a 1-2 hour afternoon downpour rather than all-day rain, and the city is beautifully lush.
October through December provides the best conditions for Ha Long Bay cruises, cycling tours in the Old Quarter, and trekking in Sapa.