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Lang Son

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Lang Son Weather and climate

Data source：Meteostat
Update date：2025-09

Lang Son year round climate
  • Spring (March–May): Average 20.2–25.3°C, climate shifts from mild to hot and humid, with the most rainfall in May. Common activities: Picnics, sightseeing. Recommended clothing: Light long-sleeved clothing, light jacket, raincoat in May.
  • Summer (June–August): Average 27.5–28.1°C, hot and humid, abundant rainfall. Common activities: Swimming, visiting summer resorts. Recommended clothing: Light and breathable clothing, sandals, raincoat.
  • Autumn (September–November): Average 23.4–26.4°C, temperatures gradually decrease, rainfall decreases. Common activities: Hiking, sightseeing. Recommended clothing: Comfortable long-sleeved clothing, light jacket.
  • Winter (December–February): Average 14.7–15°C, cool and dry climate, little rainfall. Common activities: Visiting indoor attractions, enjoying warm indoor activities. Recommended clothing: Warm jacket, long pants, scarf.
Lang Son climatological average

Annual average temperature: approx. 22.3°C / Annual rainfall: approx. 1558 mm / Summer humidity: 75%–85% / Rainiest month: May

Lang Son monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
14.7°C
63.7
February
15°C
77
March
20.2°C
40.7
April
23.6°C
45.3
May
25.3°C
293.3
June
27.8°C
248.7
July
28.1°C
232
August
27.5°C
222.3
September
26.4°C
258
October
23.4°C
53
November
20.8°C
19.2
December
14.8°C
5.2
Lang Son weather for the next seven days
10/22
Wednesday
Partly Cloudy
20.6°C/14.3°C
10/23
Thursday
Patchy rain nearby
16.5°C/14.7°C
10/24
Friday
Partly Cloudy
18.4°C/14.8°C
10/25
Saturday
Partly Cloudy
21.7°C/14.3°C
10/26
Sunday
Partly Cloudy
20.7°C/15.3°C
10/27
Monday
Partly Cloudy
25°C/15.3°C
10/28
Tuesday
Partly Cloudy
22.9°C/16.8°C

Lang Son FAQ

Is Lang Son worth visiting?
Lang Son is absolutely worth visiting. It offers majestic mountain scenery and vast rice fields, while also preserving traces of Vietnam's heroic history, such as Chi Lang Pass and the Mac Dynasty Citadel. Traveling to Lang Son allows you to feel the ancient, serene, yet charming beauty of its nature and famous landscapes.
What is the best time to visit Lang Son?
The best time to visit Lang Son is from January to April or from October to December. During these periods, mild temperatures ranging from 18-25°C and clear skies provide ideal conditions for exploration. Access from Hanoi is convenient with regular bus services from Giap Bat, My Dinh, or Gia Lam bus stations, offering a journey of 3-4 hours.
Where are good places to stay in Lang Son?
For accommodation in Lang Son, consider Four Points by Sheraton Lang Son, Trieu Ky Voong Hotel Lang Son, Hava Homestay, BBQ Hotel & Hostel with Swimming Pool Lang Son, and IMPERIAL HOTEL LẠNG SƠN.
What kind of tourism is popular in Lang Son?
Popular tourism in Lang Son focuses on its natural beauty and historical significance. Key attractions include Bac Son Valley, Tam Thanh Grotto, and opportunities for multi-day tours and nature and wildlife exploration.
What historical sites can I explore in Lang Son?
Lang Son boasts significant historical sites that showcase Vietnam's rich past. Visitors can explore the strategic importance of Chi Lang Pass and delve into the history of the Mac Dynasty Citadel, offering a profound connection to the region's heroic heritage.