Mild
Average highs are around 23°C, so days are mild rather than hot.
Weather Guide
Lang Son, Vietnam Average Monthly Weather
Weather score51Mixed annual avg
Best months: October, April, November
Across the year, average daytime temperatures are around 26°C, sunshine averages 4.4h per day, and rainfall totals about 1482mm.
Annual weather
Annual averages
Temp
26°C
Rain
1482mm
Annual total
Sun
4.4h
Weather score
51
Mixed avg
Seasonal climate calendar
Trip feel
Drier
Rainfall averages 46mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4.5h per day, so this is not one of the brighter months.
Map
Weather map
Compare Lang Son, Vietnam with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
November23°C average high
November is close to Lang Son's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
November46mm average rain
November is one of Lang Son's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to April and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
November4.5 hours average sun
November sits close to Lang Son's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to September
This stretch has the strongest sunshine in the monthly averages.
Weather score
November60 weather score
November scores above Lang Son's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsApril and October to November
These months have the strongest weather score in the monthly averages.
