Lạng Sơn, Vietnam Weather

Lạng Sơn,  Weather
(Photo by Ammie Ngo on Unsplash)

Current conditions

Updated:
21°C
69.8°F
°C °F

Condition: Overcast

Pressure: 990 hPa

Feel like: 24 °C

Temperature: 21°C

Cloud: 100%

Humidity: 92%

Wind: NNE - 9 km/h

Visibility: 1.68 km

Weather forecast

Mon
09 Nov
14°C / 20°C
Overcast
Tue
10 Nov
12°C / 22°C
Overcast
Wed
11 Nov
14°C / 24°C
Overcast
Thu
12 Nov
16°C / 19°C
Slight Rain Showers
Fri
13 Nov
17°C / 24°C
Fog
Hourly forecast today:
01:00 AM
20° / 21°
20° / 21°
Overcast
92% 21 km/h
02:00 AM
20° / 23°
20° / 23°
Drizzle
83% 24 km/h
03:00 AM
20° / 24°
20° / 24°
Drizzle
78% 24 km/h
04:00 AM
20° / 25°
20° / 25°
Drizzle
74% 24 km/h
05:00 AM
20° / 27°
20° / 27°
Drizzle
64% 25 km/h
06:00 AM
21° / 27°
21° / 27°
Drizzle
70% 24 km/h
07:00 AM
21° / 26°
21° / 26°
Drizzle
74% 24 km/h
08:00 AM
21° / 26°
21° / 26°
Drizzle
75% 25 km/h
09:00 AM
21° / 25°
21° / 25°
Drizzle
79% 24 km/h
10:00 AM
21° / 23°
21° / 23°
Mainly Clear
85% 25 km/h
11:00 AM
21° / 21°
21° / 21°
Moderate Drizzle
96% 22 km/h

30 Day Averages and Extremes

  • Average high 26.1°C
  • Average low 18.03°C
  • Hottest day 31°C (23 October 2026)
  • Coldest day 12°C (10 November 2026)
  • Average humidity 79.67%
  • Days with precipitation 29 days
  • Highest precipitation 59 mm (12 November 2026)

Yesterday's Data

  • Max: 27°C
  • Min: 19°C
  • Total Precipitation: 3 mm

Temperature and possibility of rain in Lạng Sơn over the next 12 hours

Temperature and possibility of rain in Lạng Sơn in the coming days

Rainfall in Lạng Sơn in the coming days

Lạng Sơn Climate Summary

Lạng Sơn features a Humid subtropical, dry winter (Köppen classification: Cwa), with an average annual temperature of 23.13ºC (73.63ºF), which is about -3.12% lower than the national average for Vietnam. Annually, the city experiences approximately 74.96 millimeters (2.95 inches) of rainfall, spread across 142.63 rainy days, accounting for 39.08% of the year.

Longitude 21.853708
Latitude 106.761519
Yearly high temperature 26.05ºC (78.89ºF)
Yearly low temperature 18.15ºC (64.67ºF)
Hottest month May 30.67ºC (87.21ºF)
Coldest month January 10.55ºC (50.99ºF)
Yearly precip 74.96mm (2.95in)
Days with rainfall 142.63 days (39.08%)
Driest month December (73.19%)
Wettest month August (83.36%)

Weather averages by month

Month High / Low (°C) Rain
January 17.5° / 10.55° 7.64 days
February 20.25° / 12.81° 4.91 days
March 24.09° / 16.29° 7.36 days
April 27.62° / 19.29° 9.27 days
May 30.67° / 22.22° 16.91 days
June 31.43° / 23.77° 17.55 days
July 31.07° / 23.52° 20.27 days
August 30.67° / 22.9° 22.09 days
September 29.78° / 21.69° 16.36 days
October 26.89° / 18.38° 8.73 days
November 23.85° / 15.48° 6.27 days
December 18.82° / 10.92° 5.27 days

Frequently asked questions

1. What is the hottest month in Lạng Sơn?

May has the highest average monthly temperature (daily mean of 30.67ºC) and January are the coolest (daily mean of 10.55ºC).

2. What should I wear in Lạng Sơn today?

For today's mild weather in Lạng Sơn, with temperatures between 16ºC to 19ºC (60.8ºF to 66.2ºF), consider wearing:
- Comfortable jeans or slacks
- Lightweight sweater or cardigan
- Sun hat (if spending time outdoors)
- Scarf (optional)

Temperature

Early
20°C / 24°C
Morning
21°C / 25°C
Afternoon
19°C / 20°C
Evening
13°C / 16°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 479
  • CO 258
  • NH3 0
  • NO2 6
  • O3 70
  • PM10 9
  • PM25 8
  • SO2 4
  • CH4 1,443

Sunrise / Sunset

23:00
10:12