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The weather in Vientiane in October is hot. The average temperatures are between 22°C and 31°C.
You can expect about 3 to 8 days of rain in Vientiane during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Vientiane in October 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 |