Lạng Sơn, Vietnam Weather

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

Current conditions

Updated:
30°C
86.0°F
°C °F

Condition: Slight Thunderstorm

Pressure: 977 hPa

Feel like: 34 °C

Temperature: 30°C

Cloud: 100%

Humidity: 65%

Wind: S - 17 km/h

Visibility: 23.32 km

Weather forecast

Sun
21 Jun
26°C / 34°C
Slight Thunderstorm
Mon
22 Jun
26°C / 33°C
Slight Thunderstorm
Tue
23 Jun
25°C / 34°C
Slight Thunderstorm
Wed
24 Jun
24°C / 32°C
Thunderstorm With Slight
Thu
25 Jun
23°C / 25°C
Thunderstorm With Slight
Hourly forecast today:
03:00 AM
23° / 30°
23° / 30°
Slight Thunderstorm
65% 40 km/h
04:00 AM
24° / 30°
24° / 30°
Slight Thunderstorm
68% 41 km/h
05:00 AM
23° / 31°
23° / 31°
Slight Thunderstorm
62% 39 km/h
06:00 AM
24° / 31°
24° / 31°
Slight Thunderstorm
64% 39 km/h
07:00 AM
24° / 31°
24° / 31°
Slight Thunderstorm
64% 40 km/h
08:00 AM
24° / 31°
24° / 31°
Slight Thunderstorm
67% 39 km/h
09:00 AM
24° / 30°
24° / 30°
Slight Thunderstorm
71% 34 km/h
10:00 AM
25° / 28°
25° / 28°
Thunderstorm With Slight
79% 32 km/h
11:00 AM
25° / 28°
25° / 28°
Slight Thunderstorm
84% 28 km/h
12:00 PM
25° / 27°
25° / 27°
Slight Thunderstorm
86% 25 km/h
13:00 PM
24° / 27°
24° / 27°
Overcast
87% 27 km/h

30 Day Averages and Extremes

  • Average high 30.23°C
  • Average low 23.83°C
  • Hottest day 34°C (21 June 2026)
  • Coldest day 21°C (08 June 2026)
  • Average humidity 82.33%
  • Days with precipitation 30 days
  • Highest precipitation 81 mm (15 June 2026)

Yesterday's Data

  • Max: 31°C
  • Min: 26°C
  • Total Precipitation: 0 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 very hot weather in Lạng Sơn, with the high temperatures above 33ºC (91.4ºF), consider wearing:
- High SPF sunscreen for outdoor activities
- UV-blocking sunglasses
- Sleeveless tops or vests
- Broad-brimmed sun hat

Temperature

Early
23°C / 30°C
Morning
24°C / 30°C
Afternoon
24°C / 26°C
Evening
24°C / 26°C

Air quality

Moderate

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

  • CO2 446
  • CO 169
  • NH3 0
  • NO2 5
  • O3 113
  • PM10 13
  • PM25 13
  • SO2 28
  • CH4 1,360

Sunrise / Sunset

22:10
11:38