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Vientiane weather in December 2025
Expect daytime maximum temperatures of 84°F in Vientiane, Laos in December based on long-term weather averages. There are 8 hours of sunshine per day on average.
- 84°F max day temperature
84 - 8 hours of sunshine per day
- 2 days with some rainfall
2 - 61°F min night temperature
61 - 11 hours of daylight per day
11 - Moderate heat & humidity
M - 0.2 inches of monthly rainfall
0.2 - 8 (Very High) UV index
8
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Recommended for Laos
The December 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) | Imperial (°F)
How hot is it in Vientiane in December?
Daytime temperatures usually reach 84°F in Vientiane in December with moderate heat and humidity, falling to 61°F at night.
How sunny is it in Vientiane in December?
There are normally 8 hours of bright sunshine each day in Vientiane in December - that's 75% of daylight hours.
Does it ever rain in Vientiane in December?
There are usually 2 days with some rain in Vientiane in December and the average monthly rainfall is 0.2 inches.
Vientiane December sunrise & sunset times
Browse the sunrise and sunset times for Vientiane in December 2025. Select a month to view Vientiane sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st December 2025 | 06:24 | 17:33 |
| Tuesday, 16th December 2025 | 06:33 | 17:37 |
| Wednesday, 31st December 2025 | 06:40 | 17:45 |
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