Vientiane weather in January 2025

Expect 29°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Vientiane in January. Check more long-term weather averages for Vientiane in January before you book your next holiday to Laos in 2025/2026.

  • 29°C maximum daytime temperature in January in Vientiane29
    29°C max day temperature
  • 8 hours of sunshine per day
  • 3 days with some rainfall in January in Vientiane3
    3 days with some rainfall
  • 16°C minimum night-time temperature in January in Vientiane16
    16°C min night temperature
  • 11 hours of daylight per day in January in Vientiane11
    11 hours of daylight per day
  • Moderate heat & humidity in January in VientianeM
    Moderate heat & humidity
  • 7 mm monthly rainfall in January in Vientiane7
    7 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in January in Vientiane9
    9 (Very High) UV index

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The January 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)

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How hot is it in Vientiane in January?

Daytime temperatures usually reach 29°C in Vientiane in January with moderate heat and humidity, falling to 16°C at night.

How sunny is it in Vientiane in January?

There are normally 8 hours of bright sunshine each day in Vientiane in January - that's 74% of daylight hours.

Does it ever rain in Vientiane in January?

There are usually 3 days with some rain in Vientiane in January and the average monthly rainfall is 7mm.

Vientiane January sunrise & sunset times

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


Date Sunrise times Sunset times
Wednesday, 1st January 2025 06:41 17:46
Thursday, 16th January 2025 06:44 17:55
Friday, 31st January 2025 06:43 18:04

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