Ha long Bay Weather in December
Ha long Bay in December sees pleasant daytime temperatures of 22°C (72°F) and nighttime lows of 17°C (63°F). With just 51 mm (2 in) of rainfall on average, it's the driest month of the year.
Rainfall in Ha long Bay in December
This month sees the least rain of the year, making it well suited for outdoor adventures. Past climate data indicates that roughly 7 days will see rain, totalling around 51 mm (2 in) for the month. Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.
Temperature in Ha long Bay in December
If you're visiting Ha long Bay in December, expect perfect temperatures with highs of 22°C (72°F) and overnight lows of 17°C (63°F). This month falls in the winter season. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 17°C (63°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Ha long Bay in December
The month experiences a moderate amount of sunlight, with 143 hours of sunshine. This provides a nice balance between sunshine and clouds.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, November and December typically offer the best weather for Ha long Bay.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vietnam, check out our Ha long Bay's climate page.
Ha long Bay Temperature in December
Min Temperature
17°C (63°F)
Max Temperature
22°C (72°F)
Chance of Rain
23%
Precipitation
51 mm (2 in)
Rainy days
7 days
Humidity
76% *
Sunshine
143 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ha long Bay typically stay consistent throughout December, with daily highs averaging around 22°C (72°F). Nights are pleasant, with lows typically ranging from 15°C (59°F) to 17°C (63°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Ha long Bay in December
Browse day-by-day weather records for Ha long Bay spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ha long Bay historical weather extremes in December
Based on weather observations in Ha long Bay between 1987 and 2025, these are the recorded extremes during December.
- On December 7, 1991, temperatures climbed to 29°C (84°F), marking the warmest December day on record.
- The coldest December day was on December 28, 1991, with a maximum of 10°C (50°F).
- Ha long Bay registered its coldest December night on December 23, 1999, with temperatures dropping to 5°C (41°F).
Best Places in Vietnam in December
Find out more about the weather in Vietnam and which places have the best travel conditions in this month. See all of Vietnam in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Ha long Bay in December
For Ha long Bay in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Ha long Bay in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vietnam, check out our Ha long Bay's climate page.
Temperature Rainfall Sunshine Humidity
See the full Ha long Bay climate overview or explore weather in Vietnam.
