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Balancing on the edges of a rice field with endless views. A trek through the valley of Sapa is definitely a must for the bucket list.
Lạng Sơn Weather in December
December in Lạng Sơn brings pleasant temperatures, with highs of 21°C (70°F) and nights dropping to 12°C (54°F). It's also the driest month of the year, ideal for those who want to avoid rain.
Rainfall in Lạng Sơn in December
Known for its least rainfall, this month is the best of the year for people who like to spend time outdoors. Climate statistics over the past 30 years suggest around 8 days of rain, with 47 mm (1.9 in) average for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Lạng Sơn in December
December is one of the better months to visit Lạng Sơn. Expect 21°C (70°F) during the day and 12°C (54°F) at night. Winter occurs in December. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 12°C (54°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 Lạng Sơn in December
The month experiences a moderate amount of sunlight, with 120 hours of sunshine. This provides a nice balance between sunshine and clouds.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Lạng Sơn Temperature in December
Min Temperature
12°C (54°F)
Max Temperature
21°C (70°F)
Chance of Rain
27%
Precipitation
47 mm (1.9 in)
Rainy days
8 days
Humidity
77%
Sunshine
120 hours
Percentage Sunshine
Lạng Sơn Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Lạng Sơn - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Lạng Sơn typically stay consistent throughout December, with daily highs averaging around 21°C (70°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 13°C (55°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 records for Lạng Sơn in December
Browse day-by-day weather records for Lạng Sơn spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Lạng Sơn historical weather extremes in December
The extremes listed below come from historical weather data collected in Lạng Sơn from 1976 through 2025.
- The warmest day in December was on December 21, 1979, with a maximum of 30°C (86°F).
- The coldest December day was on December 27, 2002, with a maximum of 6°C (43°F).
- Lạng Sơn registered its coldest December night on December 25, 1999, with temperatures dropping to 0°C (32°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
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Lạng Sơn in December
Pleasant temperatures in December mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Lạng Sơn in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling10/10 -
Walking10/10 -
Camping10/10 -
Outdoor sports10/10
Lạng Sơn 3-Day Forecast
More climate data for Lạng Sơn
Temperature Rainfall Sunshine Humidity
See the full Lạng Sơn climate overview or explore weather in Vietnam.
Popular in December
Where to go in December - average daytime high across popular destinations.
Ho Chi Minh City
32°C (90°F) Vung Tau29°C (84°F) Duong Dong
30°C (86°F) Nha Trang
27°C (81°F) Hoi An26°C (79°F) Da Nang25°C (77°F) Da Lat25°C (77°F) Hanoi
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