No time of year is comfortable across most of Vietnam at once. The best chance is late December, when 45% of its cities rate Good for being outside.
Being outside
varies by place
Sun
varies by place
Walking
varies by place
45%
of 97 cities rate Good for being outside in late December
Being outside45%
Sun20%
Walking34%
By what you want
share of 97 cities rated Good at midday, %Dec · 42%
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
City by city each place’s own season · most visited first · hover to find it on the map
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
North and south
Vietnam spans about 13 degrees of latitude, so its halves keep different seasons for being outside.
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How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, read at midday local solar time, in ten-day sections. A season is quoted for the country only where at least 60% of the 97 cities counted agree it is Good. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55. It is what a time of year is usually like, not a forecast.