Last updated: March 2, 2024
The weather in Lang Son, Vietnam, during April is characterized by an average temperature of 22°C (72°F). Highs can soar to 31°C (88°F), while lows may dip to 13°C (56°F). Typically, the humidity level in Lang Son throughout April hovers around 64%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, Lang Son averages 117 mm (4.6 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 12 hours 38 minutes of daylight, with the sun shining for approximately 7 hours 12 minutes each day. Additionally, there is a 11% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In April, the UV Index in Lang Son reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 3 | 6 | 9 | 12 | 13 | 11 | 8 | 5 | 2 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 30 min | 45 min | |||||