Laos weather in August 2025

Expect 32°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Laos in August based on long-term weather averages. There is usually 24 days with some rainfall and 332 mm of average monthly rainfall in August.

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

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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.

Top Laos destinations

Below are average maximum temperatures at popular countries, regions and places in Laos in August. Select a holiday destination to see more weather parameters.

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

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How hot is it in Laos in August?

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

How sunny is it in Laos in August?

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

Does it rain in Laos in August?

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

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

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

Laos August sunrise & sunset times

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

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

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