Current Weather and Forecast in Vientiane, Laos
Laos 🇱🇦
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About the weather in Vientiane
Vientiane has a tropical wet-and-dry climate. April is the warmest month, with average highs of 94°, and January the coldest, when nights fall to around 64°. August brings the most rain, on about 26 days, while April is the sunniest, with 10.8 hours of sunshine a day. Over a whole year it rains on roughly 164 days.
Vientiane climate guide: monthly averages, seasons and the best time to visit
Common questions
Is there snow in Vientiane?
Effectively no. The 2015-2024 record for Vientiane shows no regular measurable snowfall.
Which month is warmest in Vientiane?
April, averaging 94°F (34°C) by day and 76°F (25°C) overnight. The hottest single day in our 2015-2024 record for this location reached 108°F (42°C).
What should I wear in Vientiane?
It depends on the month: April runs to 94°F (34°C) while January holds at 81°F (27°C). The full month-by-month breakdown is in the packing notes above.
What is the best month to go to Vientiane?
The best time to visit Vientiane is generally November to March, when the rains have stopped and the heat has not yet peaked. Daytime temperatures in that window sit near 85°F (29°C), with rain on about 3 days a month. For the same question asked the other way round, see where else is warm in November.
Which month is coolest in Vientiane?
January, with highs of 81°F (27°C) and lows near 64°F (18°C). The coldest day in the 2015-2024 record fell to 49°F (9°C).
Which month is wettest in Vientiane?
August, at 16.8 inches (428 mm) over about 26 days. December is the driest month, at 5 mm (0.2 in).
How hot does Vientiane get in summer?
April averages 94°F (34°C). That is serious heat, and the decade record for this location is 108°F (42°C).