Spring (March–May): Average 68–77°F, 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 81–82°F, hot and humid, abundant rainfall. Common activities: Swimming, visiting summer resorts. Recommended clothing: Light and breathable clothing, sandals, raincoat.
Autumn (September–November): Average 74–79°F, temperatures gradually decrease, rainfall decreases. Common activities: Hiking, sightseeing. Recommended clothing: Comfortable long-sleeved clothing, light jacket.
Winter (December–February): Average 58–59°F, 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. 72.1°F / Annual rainfall: approx. 1558 mm / Summer humidity: 75%–85% / Rainiest month: May
Lang Son monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
58.5°F
63.7
February
59°F
77
March
68.4°F
40.7
April
74.5°F
45.3
May
77.5°F
293.3
June
82°F
248.7
July
82.6°F
232
August
81.5°F
222.3
September
79.5°F
258
October
74.1°F
53
November
69.4°F
19.2
December
58.6°F
5.2
Lang Son weather for the next seven days
10/22
Wednesday
Sunny
72°F/58.1°F
10/23
Thursday
Cloudy
64.4°F/59°F
10/24
Friday
Partly Cloudy
70.1°F/58.7°F
10/25
Saturday
Partly Cloudy
74.7°F/56.5°F
10/26
Sunday
Sunny
77°F/59.4°F
10/27
Monday
Partly Cloudy
79°F/62.3°F
10/28
Tuesday
Patchy rain nearby
67.1°F/63°F
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