- WinterDec–Feb12°20°
- December12°21°
- January11°18°
- February13°21°
- SpringMar–May20°28°
- March17°23°
- April21°28°
- May23°32°
- SummerJun–Aug25°33°
- June25°33°
- July25°33°
- August24°33°
- AutumnSep–Nov20°29°
- September23°32°
- October20°29°
- November16°26°
Lạng Sơn, Lạng Sơn Province Weather by Month and Climate Averages
Lạng Sơn, Lạng Sơn Province gets 1268 mm of precipitation a year over about 138 rainy days. June is the warmest month (average high 33°C) and January the coldest (average low 11°C).
Lạng Sơn climate at a glance
Lạng Sơn, Lạng Sơn Province has hot summers and warm winters. Daytime highs range from about 19°C in January to 34°C in July. August is usually the wettest month. The most comfortable time to visit is typically January to March and November to December, when daytime highs sit near 22°C.
How much rain does Lạng Sơn get?
Lạng Sơn gets 1268 mm of precipitation in an average year, spread over about 138 days with measurable rain. That is more rainy days than 78% of China.
August is the wettest month, with 230 mm. February is the driest, with 28 mm. July has the most rainy days, about 18.
The longest dry spell in the last five years lasted 53 days, to January 24, 2025.
Lạng Sơn weather by month
Lạng Sơn weather in January
In January, Lạng Sơn averages a high of 18°C and a low of 11°C. It gets 35 mm of precipitation over about 10 rainy days. The sun is out about 26% of daylight hours. The January record high is 32°C (2023) and the record low is 0°C (1974). January is one of the most comfortable months to visit.
Lạng Sơn weather in February
In February, Lạng Sơn averages a high of 21°C and a low of 13°C. It gets 28 mm of precipitation over about 9 rainy days. The sun is out about 23% of daylight hours. The February record high is 37°C (2010) and the record low is 2°C (2018). February is one of the most comfortable months to visit.
Lạng Sơn weather in March
In March, Lạng Sơn averages a high of 23°C and a low of 17°C. It gets 57 mm of precipitation over about 13 rainy days. The sun is out about 22% of daylight hours. The March record high is 37°C (1986) and the record low is 3°C (1986). March is one of the most comfortable months to visit.
Lạng Sơn weather in April
In April, Lạng Sơn averages a high of 28°C and a low of 21°C. It gets 80 mm of precipitation over about 11 rainy days. The sun is out about 29% of daylight hours. The April record high is 41°C (2024) and the record low is 10°C (2022).
Lạng Sơn weather in May
In May, Lạng Sơn averages a high of 32°C and a low of 23°C. It gets 153 mm of precipitation over about 14 rainy days. The sun is out about 27% of daylight hours. The May record high is 42°C (2003) and the record low is 15°C (2022).
Lạng Sơn weather in June
In June, Lạng Sơn averages a high of 33°C and a low of 25°C. It gets 218 mm of precipitation over about 17 rainy days. The sun is out about 10% of daylight hours. The June record high is 40°C (2023) and the record low is 17°C (1988).
Lạng Sơn weather in July
In July, Lạng Sơn averages a high of 33°C and a low of 25°C. It gets 220 mm of precipitation over about 18 rainy days. The sun is out about 21% of daylight hours. The July record high is 40°C (2024) and the record low is 20°C (1972).
Lạng Sơn weather in August
In August, Lạng Sơn averages a high of 33°C and a low of 24°C. It gets 230 mm of precipitation over about 16 rainy days. The sun is out about 17% of daylight hours. The August record high is 40°C (1990) and the record low is 21°C (1974).
Lạng Sơn weather in September
In September, Lạng Sơn averages a high of 32°C and a low of 23°C. It gets 115 mm of precipitation over about 10 rainy days. The sun is out about 23% of daylight hours. The September record high is 38°C (1992) and the record low is 14°C (1970).
Lạng Sơn weather in October
In October, Lạng Sơn averages a high of 29°C and a low of 20°C. It gets 65 mm of precipitation over about 8 rainy days. The sun is out about 43% of daylight hours. The October record high is 36°C (2021) and the record low is 8°C (1978).
Lạng Sơn weather in November
In November, Lạng Sơn averages a high of 26°C and a low of 16°C. It gets 38 mm of precipitation over about 6 rainy days. The sun is out about 49% of daylight hours. The November record high is 34°C (2009) and the record low is 3°C (2007). November is one of the most comfortable months to visit.
Lạng Sơn weather in December
In December, Lạng Sơn averages a high of 21°C and a low of 12°C. It gets 29 mm of precipitation over about 7 rainy days. The sun is out about 43% of daylight hours. The December record high is 32°C (2002) and the record low is 0°C (1973). December is one of the most comfortable months to visit.
Sunshine, humidity and wind in Lạng Sơn
November is the sunniest month in Lạng Sơn, with sunshine about 49% of daylight hours. June is the cloudiest, at 10%. Over the year the sun shines about 28% of daylight hours. Lạng Sơn is cloudier than 94% of China.
Humidity peaks in August at 86% and is lowest in December at 68%.
Lạng Sơn has about 107 days a year above 32°C. Lạng Sơn is hotter than 98% of China.
Lạng Sơn weather records
The hottest temperature on record at the Lạng Sơn station is 42°C, on May 7, 2003. The coldest is 0°C, on December 30, 1975.
The wettest day on record brought 157 mm of rain, on June 29, 1993.
43 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.2°C per decade since 1970.
The best time to visit Lạng Sơn
The most comfortable time to visit is typically January to March and November to December, when daytime highs sit near 22°C.
Winter (December–February) is warm, with average highs around 20°C and lows near 12°C.
Spring (March–May) is hot, with average highs around 28°C and lows near 20°C.
Summer (June–August) is hot, with average highs around 33°C and lows near 25°C. It can feel humid.
Autumn (September–November) is hot, with average highs around 29°C and lows near 20°C.
Monthly climate
| Month | Precip | Rain days | Humidity | Sunshine | Record high | Record low |
|---|---|---|---|---|---|---|
| January | 35 mm | 10 | 77% | 26% | 32° | 0° |
| February | 28 mm | 9 | 82% | 23% | 37° | 2° |
| March | 57 mm | 13 | 84% | 22% | 37° | 3° |
| April | 80 mm | 11 | 83% | 29% | 41° | 10° |
| May | 153 mm | 14 | 82% | 27% | 42° | 15° |
| June | 218 mm | 17 | 82% | 10% | 40° | 17° |
| July | 220 mm | 18 | 82% | 21% | 40° | 20° |
| August | 230 mm | 16 | 86% | 17% | 40° | 21° |
| September | 115 mm | 10 | 85% | 23% | 38° | 14° |
| October | 65 mm | 8 | 76% | 43% | 36° | 8° |
| November | 38 mm | 6 | 74% | 49% | 34° | 3° |
| December | 29 mm | 7 | 68% | 43% | 32° | 0° |
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Lạng Sơn climate questions
How much rain does Lạng Sơn get?
Lạng Sơn gets 1268 mm of precipitation in an average year, over about 138 rainy days.
What is the wettest month in Lạng Sơn?
August is the wettest month in Lạng Sơn, with 230 mm. February is the driest, with 28 mm.
How many rainy days does Lạng Sơn have a year?
Lạng Sơn has about 138 days with measurable rain in an average year. July has the most, about 18.
What is the hottest month in Lạng Sơn?
June is the warmest month in Lạng Sơn, with an average high of 33°C.
What is the coldest month in Lạng Sơn?
January is the coldest month in Lạng Sơn, with an average low of 11°C.
What is the record high temperature in Lạng Sơn?
The record high at the Lạng Sơn station is 42°C, set on May 7, 2003. The record low is 0°C, on December 30, 1975.
What is the sunniest month in Lạng Sơn?
November is the sunniest month in Lạng Sơn, with sunshine about 49% of daylight hours. June is the cloudiest.
What is the best time to visit Lạng Sơn?
The most comfortable time to visit is typically January to March and November to December, when daytime highs sit near 22°C.
Source: NOAA GHCN-Daily station LONGZHOU (57 km away).
Climate for places near Lạng Sơn, Lạng Sơn Province
Normals from NOAA GHCN-Daily station LONGZHOU.