Vientiane weather by month
The best time to visit Vientiane, Laos is December. Pick a month for full climate normals and a verdict.
- Januaryhot, dry89tier A
- Februaryhot, a little rain84tier A
- Marchsweltering, a little rain70tier B
- Aprilsweltering, a little rain, poor air quality62tier C
- Maysweltering, soaked58tier D
- Junesweltering, soaked, clean air52tier D
- Julysweltering, soaked, clean air49tier F
- Augustsweltering, soaked, clean air42tier F
- Septembersweltering, soaked, clean air48tier F
- Octobersweltering, rainy, clean air65tier C
- Novemberhot, dry77tier B
- Decemberhot, dry91tier S