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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
Sunny
22.2°C/14.5°C
10/23
Thursday
Cloudy
18°C/15°C
10/24
Friday
Partly Cloudy
21.2°C/14.8°C
10/25
Saturday
Partly Cloudy
23.7°C/13.6°C
10/26
Sunday
Sunny
25°C/15.2°C
10/27
Monday
Partly Cloudy
26.1°C/16.8°C
10/28
Tuesday
Patchy rain nearby
19.5°C/17.2°C