Southeast Asia · City travel
Best time to visit Vientiane
Early Dec–Early Feb is the best time to visit. During this period, the average daytime high is 29.4°C, with 0.4 rainy days per 10 days.
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Season calendar
AvoidOff-seasonFairOkayGoodGreatBest
Japan MOFA travel advice
Japan MOFA travel advice: Level 1 (Exercise caution)
Climate and season score by month
| Month | Level | Daytime high | Rainy days (per 10 days) | Cloud cover |
|---|---|---|---|---|
| January | Best | 29.3°C | 0.5 | 29.9% |
| February | Great | 31.4°C | 1.0 | 33.0% |
| March | Okay | 33.6°C | 2.2 | 44.8% |
| April | Off-season | 35.1°C | 3.7 | 58.9% |
| May | Avoid | 34.0°C | 7.0 | 80.5% |
| June | Avoid | 33.0°C | 7.6 | 89.4% |
| July | Avoid | 32.3°C | 8.2 | 91.5% |
| August | Avoid | 31.9°C | 8.2 | 91.9% |
| September | Avoid | 32.2°C | 7.6 | 83.7% |
| October | Fair | 32.3°C | 3.9 | 61.2% |
| November | Great | 31.3°C | 1.0 | 42.3% |
| December | Best | 29.3°C | 0.2 | 31.0% |
How the score works
The season score is a relative 0–100 measure of how suitable each time of year is for travel at this destination, grouped into seven levels. It combines climate-normal trends in temperature, rain, cloud cover, and other conditions.
Weather station: WATTAY INTL（8 km）. Data: NASA POWER, NOAA GHCN-Daily, OISST, IBTrACS, and Natural Earth.
These are historical climate-normal trends, not a weather forecast.