Visit Sapa in Vietnam
Balancing on the edges of a rice field with endless views. A trek through the valley of Sapa is definitely a must for the bucket list.
This page shows both the average monthly rainfall and the number of rainy days in Lạng Sơn, Lạng Sơn province, Vietnam. This average is based on long-term data collected between 1990 and 2020. Let's explore the details to provide you with a complete overview.
Lạng Sơn has a relatively rainy climate with high precipitation levels, averaging 1675 mm (66 in) of rainfall annually. Despite the high annual total, it does experience a distinct rainy season during certain months. Examine our detailed charts below to understand these seasonal patterns.
The climate in Lạng Sơn shows significant variation throughout the year. Expect 281 mm (11 in) of precipitation during the wettest month August, distributed over 18 rainy days.
In contrast, December offers drier and sunnier days, with around 47 mm (1.9 in) of rainfall over 8 rainy days.
August, the wettest month, has a maximum daytime temperature of 32°C (90°F). The city receives 175 hours of sunshine in this period. During the driest month December you can expect a temperature of 21°C (70°F). For more detailed insights into the city's temperatures, visit our Lạng Sơn Temperature page.
Average daily rainfall for each day of the month based on long-term records. 50-year average (1976-2025)
Browse day-by-day precipitation records for Lạng Sơn spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
The map below shows the annual precipitation across Vietnam. You can also select the different months in case you are interested in a specific month.
Lạng Sơn's average annual precipitation is 1675 mm (66 in). Let's compare this to some popular worldwide tourist destinations:
Seville, Spain, experiences 541 mm (21 in) of rainfall annually, with wet winters and dry summers typical of southern Spain.
Beijing, China, receives 560 mm (22 in) of annual precipitation, concentrated in the summer months.
Adelaide, Australia, enjoys 511 mm (20 in) of annual precipitation, with dry summers and wet winters.
Mumbai, India, experiences a tropical monsoon climate with 1860 mm (73 in) of annual rainfall, with the majority of precipitation happening during the monsoon season from June to September.
Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.
Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.
The proximity of a location to a large body of water can significantly affect its rainfall patterns:
For more detailed information about Lạng Sơn's weather, including sunshine hours, humidity levels, and temperature data, visit our Lạng Sơn Climate page.
Pick a month to see the average temperature, rainfall and sunshine in Lạng Sơn - and find the best time to visit.
Temperature Rainfall Sunshine Humidity
See the full Lạng Sơn climate overview or explore weather in Vietnam.
Where to go in October - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Visit Sapa in Vietnam
Balancing on the edges of a rice field with endless views. A trek through the valley of Sapa is definitely a must for the bucket list.
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