Best Time to Visit Lang Son
Best time: Nov, Dec, Mar, Jan.
Jul is warmest (31.4°C high); Aug is rainiest (274 mm).
Lang Son weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 17.6 | 10.3 | 20 | 4.3 |
| Feb | 19.1 | 12.4 | 48 | 4.9 |
| Mar | 21.7 | 15.4 | 39 | 5.7 |
| Apr | 26 | 19.4 | 81 | 7 |
| May | 29.6 | 22 | 156 | 8.2 |
| Jun | 31.1 | 23.7 | 197 | 8.3 |
| Jul | 31.4 | 23.9 | 271 | 8.7 |
| Aug | 31 | 23.4 | 274 | 8.3 |
| Sep | 29.9 | 21.9 | 162 | 7.9 |
| Oct | 27.4 | 19 | 78 | 7 |
| Nov | 23.7 | 14.6 | 28 | 5.6 |
| Dec | 20.1 | 11.2 | 23 | 4.7 |
Average high temperature
Best months by activity
Overall: NovDecMarJan
Beaches: NovMarDecOct
Hiking: JanDecNovMar
Sightseeing: JanNovDecMar
Lang Son quick facts
What to pack
Wet months (May, Jun, Jul, Aug, Sep): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Lang Son?
Nov, Dec, Mar, Jan.
What is the rainiest month?
Aug, about 274 mm.
What is the warmest month?
Jul, with average highs of 31.4°C.
Where to stay
See Lang Son hotels · Book Lang Son tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.