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The weather in Vientiane in March is very hot. The average temperatures are between 24°C and 36°C, drinking water regularly is advisable.
You can expect a few rainy days in Vientiane during March, but usually the weather is comfortable in March.
Our weather forecast can give you a great sense of what weather to expect in Vientiane in March 2025.
If you’re planning to visit Vientiane in the near future, we highly recommend that you review the 14 day weather forecast for Vientiane before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 30° / 17° | 1 | 30 | 0 | 21 mm | Good | Vientiane in January |
| February | 34° / 21° | 0 | 28 | 0 | 11 mm | Ok | Vientiane in February |
| March | 36° / 24° | 2 | 29 | 0 | 39 mm | Ok | Vientiane in March |
| April | 38° / 26° | 4 | 26 | 0 | 91 mm | Bad | Vientiane in April |
| May | 36° / 26° | 10 | 22 | 0 | 282 mm | Bad | Vientiane in May |
| June | 33° / 25° | 13 | 17 | 0 | 352 mm | Ok | Vientiane in June |
| July | 31° / 24° | 18 | 13 | 0 | 476 mm | Ok | Vientiane in July |
| August | 31° / 24° | 17 | 14 | 0 | 515 mm | Ok | Vientiane in August |
| September | 32° / 24° | 15 | 15 | 0 | 362 mm | Ok | Vientiane in September |
| October | 31° / 22° | 6 | 25 | 0 | 141 mm | Good | Vientiane in October |
| November | 31° / 20° | 1 | 29 | 0 | 33 mm | Good | Vientiane in November |
| December | 29° / 18° | 0 | 31 | 0 | 12 mm | Good | Vientiane in December |