Average annual temperature is 22.6 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: 4.4 °C
Number of sunny days: 117 days
Number of rainy days: 248 days
Look at detailed online map of Lạng Sơn
* Weather data for Lạng Sơn Vietnam is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 29.8 | 26.9 | 34.1 | 33.0 | 36.5 | 38.0 | 34.8 | 32.0 | 31.9 | 31.5 | 30.4 | 27.4 |
| Average daytime temperature (°C) | 18.6 | 21.8 | 25.4 | 27.4 | 30.5 | 31.8 | 32.4 | 30.1 | 29.0 | 27.5 | 25.5 | 20.6 |
| Average temperature (°C) | 14.2 | 17.8 | 20.7 | 23.6 | 26.3 | 27.7 | 28.4 | 26.5 | 25.6 | 23.5 | 20.6 | 16.3 |
| Average night temperature (°C) | 9.6 | 14.5 | 16.6 | 20.3 | 22.5 | 24.5 | 25.2 | 23.9 | 23.1 | 20.1 | 16.1 | 12.1 |
| Absolute minimum temperature (°C) | 4.4 | 8.6 | 12.1 | 15.7 | 17.3 | 22.9 | 22.2 | 22.5 | 21.0 | 16.3 | 11.1 | 4.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 11.0 | 11.4 | 12.0 | 12.7 | 13.2 | 13.4 | 13.3 | 12.9 | 12.3 | 11.6 | 11.1 | 10.8 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 5.9 | 4.4 | 4.8 | 5.5 | 9.0 | 7.9 | 10.9 | 8.0 | 7.5 | 8.5 | 8.2 | 5.6 |
| Precipitation (mm) | 9 | 64 | 94 | 61 | 42 | 259 | 168 | 321 | 304 | 43 | 13 | 19 |
| Sunny days | 23 | 9 | 15 | 5 | 8 | 2 | 4 | 3 | 1 | 19 | 17 | 11 |
| Rainy days | 8 | 19 | 16 | 25 | 23 | 28 | 27 | 28 | 29 | 12 | 13 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Lạng Sơn during the most sunny months:
The largest precipitation sum in Lạng Sơn is at