Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
October verdict
Good for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 5h per day, enough for a balanced month. Rainfall averages 102mm, so some wet days are possible.

Monthly averages
Temp
27°C
Rain
102mm
Sun
5h
Weather score
68
Good
Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 102mm, so some wet days are possible.
Some sun
Sunshine averages 5h per day, enough for a balanced month.
Map
Compare Lang Son, Vietnam with nearby places by weather score, rain, sun, temperature, and swim conditions.
October27°C average high
October sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
October102mm average rain
October sits on the drier side of Lang Son's year, which helps with sightseeing and transfers.
Driest monthsJanuary to April and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
October5 hours average sun
October is brighter than Lang Son's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to September
This stretch has the strongest sunshine in the monthly averages.
October68 weather score
October is one of Lang Son's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsApril and October to November
These months have the strongest weather score in the monthly averages.