Vientiane weather in August 2025

Expect daytime maximum temperatures of 32°C in Vientiane, Laos in August and very high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with 24 days with some rainfall and typically 332 mm of rainfall in the month.

  • 32°C maximum daytime temperature in August in Vientiane32
    32°C max day temperature
  • 5 hours of sunshine per day
  • 24 days with some rainfall in August in Vientiane24
    24 days with some rainfall
  • 24°C minimum night-time temperature in August in Vientiane24
    24°C min night temperature
  • 13 hours of daylight per day in August in Vientiane13
    13 hours of daylight per day
  • Very high heat & humidity in August in VientianeVH
    Very High heat & humidity
  • 332 mm monthly rainfall in August in Vientiane332
    332 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Vientiane11
    11+ (Extreme) UV index

More about Vientiane

Vientiane by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Laos

Auto Europe: Best rate gurantee

  • Book car hire with the best rate gurantee
  • Find a cheaper rate Auto Europe will beat it
  • Browse car rentals across the USA & beyond
Go to Auto Europe deal >>

View all Auto Europe offers

The August weather guide for Laos (Vientiane) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

How hot is it in Vientiane in August?

Daytime temperatures usually reach 32°C in Vientiane in August with very high heat and humidity, falling to 24°C at night.

How sunny is it in Vientiane in August?

There are normally 5 hours of bright sunshine each day in Vientiane in August - that's 36% of daylight hours.

Does it rain in Vientiane in August?

There are usually 24 days with some rain in Vientiane in August and the average monthly rainfall is 332mm.

What is the chance of a typhoon in Vientiane in August?

On average less than 1 day in August in Vientiane is likely to be affected by the passage of one or more tropical storms.

Vientiane August sunrise & sunset times

Browse the sunrise and sunset times for Vientiane in August 2025. Select a month to view Vientiane sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:48 18:44
Saturday, 16th August 2025 05:52 18:35
Sunday, 31st August 2025 05:55 18:24

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^