Halong Bay · WinterMonth summary
Halong Bay weather in December
✅ Good
🌡️ Temperature min / max
61°F – 72°F
🌧 Rainy days
15% of days
☀️ Sunshine
8.5h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
7.8/10
📅 📅 Best month
November (8.2/10)
Quick decision
Should you visit Halong Bay in December?
✅ Good
✅ Yes if: you want to explore cultural sites and local food.
❌ No if: you need guaranteed sunshine for photos or outdoor activities.
Our take: Halong Bay in December: 72°F and 8.5h of sunshine. Decent, but not the peak.
By trip type
Halong Bay in December by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in December
Even in winter, Halong Bay enjoys 22°F. A real asset for escaping the European cold. Rain risk remains low (15% of days), leaving good room for outdoor activities. A good balance between weather and crowds, even if November (8.2/10) remains theoretically better.
Browse by month
All months for Halong Bay
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 61°F | 68°F | 28% | 0.1in | 6.7h | 7.2/10 |
| 🌤️ February | 61°F | 70°F | 29% | 0.1in | 5.3h | 7.2/10 |
| 🌤️ March | 66°F | 75°F | 34% | 0.1in | 6.0h | 7.4/10 |
| 🌤️ April | 72°F | 79°F | 41% | 0.1in | 9.2h | 7.7/10 |
| ⛅ May | 77°F | 84°F | 63% | 0.2in | 10.8h | 7.3/10 |
| ⛅ June | 81°F | 88°F | 77% | 0.3in | 10.5h | 7.0/10 |
| ⛅ July | 81°F | 88°F | 80% | 0.4in | 11.0h | 7.0/10 |
| 🌧️ August | 79°F | 86°F | 87% | 0.6in | 9.2h | 6.3/10 |
| ⛅ September | 79°F | 86°F | 72% | 0.4in | 10.5h | 7.1/10 |
| 🌤️ October | 73°F | 82°F | 38% | 0.2in | 10.5h | 8.0/10 |
| 🌤️ November | 68°F | 79°F | 25% | 0.1in | 10.0h | 8.2/10 |
| 🌤️ December | 61°F | 72°F | 15% | 0.0in | 8.5h | 7.8/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In December, Halong Bay averages 72°F, 15% rainy days and 8.5h of sunshine per day. Overall weather score: 7.8/10.
See methodology →
Comparison
December vs November (best month)
The best month is November (score 8.2/10). Difference:
- 🌡️ Max temperature : +4°F
- 🌧 Rainy days : +10%
- ☀️ Sunshine : +1.5h/day
FAQ
FAQ — Halong Bay in December
Is December a good time to visit Halong Bay?
December is an excellent time to visit Halong Bay (score 7.8/10). With 72°F, 8.5h of sunshine and 15% rain, conditions are very favourable.
What to do in Halong Bay in December?
With 72°F max and 8.5h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
Activities and tours in Halong Bay
Guided tours, skip-the-line tickets and local experiences.
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