Vientiane, Laos 14-Day Forecast

Laos 🇱🇦

The 14-day forecast for Vientiane is temporarily unavailable - please check back shortly. Meanwhile, the monthly averages below give a reliable picture of what to expect.

Vientiane 14-day outlook: the story

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.

For typical conditions month by month, see the Vientiane climate & average temperatures guide.

Average temperatures in Vientiane by month

Monthly averages for Vientiane based on 2015–2024 weather data. Daylight is sunrise to sunset on the 15th; wet-day chance is the share of days with measurable rain.
MonthHighLow Rain daysPrecipitation SunshineDaylightWet-day chanceHumidity
January 81° 64° 2 0.7 in 10.0 h/day 11.2 h 8% 66%
February 85° 66° 2 0.6 in 10.4 h/day 11.5 h 8% 64%
March 90° 73° 8 1.9 in 10.5 h/day 12.0 h 25% 66%
April 94° 76° 8 2.4 in 10.8 h/day 12.5 h 27% 64%
May 91° 78° 22 8.4 in 9.6 h/day 13.0 h 71% 76%
June 88° 77° 25 10.8 in 8.6 h/day 13.2 h 84% 83%
July 87° 77° 26 14.6 in 7.8 h/day 13.1 h 84% 85%
August 86° 76° 26 16.8 in 7.1 h/day 12.7 h 85% 86%
September 86° 76° 26 13.9 in 8.4 h/day 12.2 h 87% 86%
October 86° 74° 14 5.4 in 9.8 h/day 11.7 h 44% 79%
November 85° 71° 3 1.1 in 10.1 h/day 11.3 h 10% 70%
December 81° 65° 2 0.2 in 9.8 h/day 11.1 h 5% 65%
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